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Dell Configuration Guide for the S6000
System
9.5(0.1)
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Strany 1 - 9.5(0.1)

Dell Configuration Guide for the S6000 System9.5(0.1)

Strany 2 - Notes, Cautions, and Warnings

Priority-Based Flow Control Using Dynamic Buffer Method...284Pause and Resume of Traffic...

Strany 3 - Contents

Example of Using the continue Clause in a Route Map!route-map test permit 10match commu comm-list1set community 1:1 1:2 1:3set as-path prepend 1 2 3 4

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Layer 4 ACL Rules ExamplesThe following examples show the ACL commands for Layer 4 packet filtering.Permit an ACL line with L3 information only, and t

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Configure a Standard IP ACLTo configure an ACL, use commands in IP ACCESS LIST mode and INTERFACE mode.For a complete list of all the commands related

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If you are creating a standard ACL with only one or two filters, you can let Dell Networking OS assign a sequence number based on the order in which t

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To delete a filter, enter the show config command in IP ACCESS LIST mode and locate the sequence number of the filter you want to delete. Then use the

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ip access-list extended access-list-name2. Configure an extended IP ACL filter for UDP packets.CONFIG-EXT-NACL modeseq sequence-number {deny | permit}

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The following example shows an extended IP ACL in which the sequence numbers were assigned by the software. The filters were assigned sequence numbers

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For information about MAC ACLs, refer to Layer 2.Assign an IP ACL to an InterfaceTo pass traffic through a configured IP ACL, assign that ACL to a phy

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Example of Viewing ACLs Applied to an InterfaceDell(conf-if)#show conf!interface GigabitEthernet 0/0 ip address 10.2.1.100 255.255.255.0 ip access-g

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seq 5 permit tcp any any seq 10 deny icmp any anyseq 15 permit 1.1.1.2Configure Egress ACLsEgress ACLs are supported on the S6000 platform.Egress A

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Managing ECMP Group Paths... 311Creating an ECMP Gro

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Dell(conf-if-te-0/0)#Dell(conf-if-te-0/0)#Dell(conf-if-te-0/0)#endDell#Applying Egress Layer 3 ACLs (Control-Plane)By default, packets originated from

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• To permit routes with the mask greater than /8 but less than /12, enter permit x.x.x.x/x ge 8.• To deny routes with a mask less than /24, enter deny

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• le max-prefix-length: the maximum prefix length to match (from 0 to 32).Example of Assigning Sequence Numbers to FiltersIf you want to forward all r

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Dell(conf-nprefixl)#permit 123.23.0.0 /16Dell(conf-nprefixl)#deny 133.24.56.0 /8Dell(conf-nprefixl)#show conf!ip prefix-list awe seq 5 permit 123.23.

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Applying a Prefix List for Route RedistributionTo pass traffic through a configured prefix list, use the prefix list in a route redistribution command

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CONFIG-ROUTER-OSPF modedistribute-list prefix-list-name out [connected | rip | static]Example of Viewing Configured Prefix Lists (ROUTER OSPF mode)To

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• IPv4, IPv6, or MAC ACLEXEC moderesequence access-list {ipv4 | ipv6 | mac} {access-list-name StartingSeqNum Step-to-Increment}• IPv4 or IPv6 prefix-l

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seq 15 permit ip any host 1.1.1.3seq 20 permit ip any host 1.1.1.4Dell# endDell# resequence access-list ipv4 test 2 2Dell# show running-config acl!ip

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When a stack unit is reset or a stack unit undergoes a failure, the ACL agent registers with the port mirroring application. The port mirroring utilit

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0 Te 0/0 Te 0/2 rx Flow N/A N/A The show config command has been modified to display monitoring co

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Delayed Installation of ECMP Routes Into BGP...336RDMA Over Converged Ethernet (

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Example of the flow-based enable CommandTo view an access-list that you applied to an interface, use the show ip accounting access-list command from E

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7Bidirectional Forwarding Detection (BFD)Bidirectional forwarding detection (BFD) is supported only on the S6000 platform.BFD is a protocol that is us

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NOTE: A session state change from Up to Down is the only state change that triggers a link state change in the routing protocol client.BFD Packet Form

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Field Descriptionsystem clears the poll bit and sets the final bit in its response. The poll and final bits are used during the handshake and in Deman

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BFD SessionsBFD must be enabled on both sides of a link in order to establish a session.The two participating systems can assume either of two roles:A

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handshake. Now the discriminator values have been exchanged and the transmit intervals have been negotiated.4. The passive system receives the control

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receives a Down status notification from the remote system, the session state on the local system changes to Init.Figure 10. Session State ChangesImpo

Strany 32 - About this Guide

• Configure BFD for IS-IS• Configure BFD for BGP• Configure BFD for VRRP• Configuring Protocol Liveness• Troubleshooting BFDConfigure BFD for Physical

Strany 33 - Configuration Fundamentals

Establishing a Session on Physical PortsTo establish a session, enable BFD at the interface level on both ends of the link, as shown in the following

Strany 34 - Navigating CLI Modes

Remote Addr: 2.2.2.2Remote MAC Addr: 00:01:e8:06:95:a2Int: GigabitEthernet 4/24State: UpConfigured parameters: TX: 100ms, RX: 100ms, Multiplier: 3Nei

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Adjusting Timers... 362Adj

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Number of messages from IFA about port state change: 0 Number of messages communicated b/w Manager and Agent: 7Disabling and Re-Enabling BFDBFD is

Strany 37 - The do Command

Establishing Sessions for Static RoutesSessions are established for all neighbors that are the next hop of a static route.Figure 12. Establishing Sess

Strany 38 - Undoing Commands

• Change parameters for all static route sessions.CONFIGURATION modeip route bfd interval milliseconds min_rx milliseconds multiplier value role [acti

Strany 39 - Entering and Editing Commands

Establishing Sessions with OSPF NeighborsBFD sessions can be established with all OSPF neighbors at once or sessions can be established with all neigh

Strany 40 - Command History

INTERFACE modeip ospf bfd all-neighborsExample of Verifying Sessions with OSPF NeighborsTo view the established sessions, use the show bfd neighbors c

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• Disable BFD sessions with all OSPF neighbors.ROUTER-OSPF modeno bfd all-neighbors• Disable BFD sessions with all OSPF neighbors on an interface.INTE

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To view session parameters, use the show bfd neighbors detail command, as shown in the example in Displaying BFD for BGP Information.• Change paramete

Strany 43 - Getting Started

Establishing Sessions with IS-IS NeighborsBFD sessions can be established for all IS-IS neighbors at once or sessions can be established for all neigh

Strany 44 - Configuring a Host Name

The bold line shows that IS-IS BFD sessions are enabled.R2(conf-router_isis)#bfd all-neighborsR2(conf-router_isis)#do show bfd neighbors* - Active

Strany 45 - Accessing the System Remotely

INTERFACE moseisis bfd all-neighbors disableConfigure BFD for BGPBidirectional forwarding detection (BFD) for BGP is supported on the S6000 platform.I

Strany 46 - Configure a Management Route

Configuring EIS... 385Manageme

Strany 47 - Configuration File Management

Figure 15. Establishing Sessions with BGP NeighborsThe sample configuration shows alternative ways to establish a BFD session with a BGP neighbor:• By

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typical response is to terminate the peering session for the routing protocol and reconverge by bypassing the failed neighboring router. A log message

Strany 49 - Viewing Files

ROUTER BGP modeneighbor {ip-address | peer-group-name} bfd disable• Remove the disabled state of a BFD for BGP session with a specified neighbor.ROUTE

Strany 50 - Managing the File System

Examples of the BFD show CommandsThe following example shows verifying a BGP configuration.R2# show running-config bgp!router bgp 2 neighbor 1.1.1.2

Strany 51 - Using HTTP for File Transfers

Number of messages from IFA about port state change: 0Number of messages communicated b/w Manager and Agent: 5Session Discriminator: 10Neighbor Discri

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Down : 0Admin Down : 2The following example shows viewing BFD summary information.The bold line shows the message displayed when you e

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Connections established 1; dropped 0 Last reset neverLocal host: 2.2.2.3, Local port: 63805Foreign host: 2.2.2.2, Foreign port: 179E1200i_ExaScale#

Strany 54 - Management

Establishing Sessions with All VRRP NeighborsBFD sessions can be established for all VRRP neighbors at once, or a session can be established with a pa

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The bold line shows that VRRP BFD sessions are enabled.Dell(conf-if-gi-4/25)#vrrp bfd all-neighborsDell(conf-if-gi-4/25)#do show bfd neighbor* - A

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Disabling BFD for VRRPIf you disable any or all VRRP sessions, the sessions are torn down.A final Admin Down control packet is sent to all neighbors a

Strany 57 - Configuring Logging

Enabling Pause Frames...411Configure the

Strany 58 - Audit and Security Logs

Down for neighbor 2.2.2.2 on interface Gi 4/24 (diag: 0) 00:54:38 : Sent packet for session with neighbor 2.2.2.2 on Gi 4/24 TX packet dump:

Strany 59 - Configuring Logging Format

8Border Gateway Protocol IPv4 (BGPv4)Border gateway protocol IPv4 (BGPv4) version 4 (BGPv4) is supported on the S6000 platform.This chapter provides a

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Figure 17. Internal BGPBGP version 4 (BGPv4) supports classless interdomain routing and aggregate routes and AS paths. BGP is a path vector protocol —

Strany 61 - Disabling System Logging

Figure 18. BGP Routers in Full MeshThe number of BGP speakers each BGP peer must maintain increases exponentially. Network management quickly becomes

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Establish a SessionInformation exchange between peers is driven by events and timers. The focus in BGP is on the traffic routing policies.In order to

Strany 63 - Configuration

Route reflection divides iBGP peers into two groups: client peers and nonclient peers. A route reflector and its client peers form a route reflection

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• Next HopNOTE: There are no hard coded limits on the number of attributes that are supported in the BGP. Taking into account other constraints such a

Strany 65 - Synchronizing Log Messages

Figure 20. BGP Best Path SelectionBest Path Selection Details1. Prefer the path with the largest WEIGHT attribute.2. Prefer the path with the largest

Strany 66 - File Transfer Services

c. Paths with no MED are treated as “worst” and assigned a MED of 4294967295.7. Prefer external (EBGP) to internal (IBGP) paths or confederation EBGP

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and AS300. This is advertised to all routers within AS100, causing all BGP speakers to prefer the path through Router B.Figure 21. BGP Local Preferenc

Strany 68 - Terminal Lines

Important Points to Remember... 436Enabling UDP Helper..

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Figure 22. Multi-Exit DiscriminatorsNOTE: Configuring the set metric-type internal command in a route-map advertises the IGP cost as MED to outbound E

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*> 7.0.0.0/30 10.114.8.33 0 0 18508 ?*> 9.2.0.0/16 10.114.8.33 10 0 18508 701 iAS PathThe AS path is the list of

Strany 71 - Lock CONFIGURATION Mode

Multiprotocol BGPMultiprotocol extensions for BGP (MBGP) is defined in IETF RFC 2858. MBGP allows different types of address families to be distribute

Strany 72 - S6000MXL Switch

internal configured, BGP advertises the metric configured in the redistribute command as MED.• If BGP peer outbound route-map has metric configured, a

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Configure 4-byte AS numbers with the four-octet-support command.AS4 Number RepresentationDell Networking OS supports multiple representations of 4-byt

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!router bgp 100bgp asnotation asdot+bgp four-octet-as-supportneighbor 172.30.1.250 local-as 65057<output truncated>Dell(conf-router_bgp)#do show

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appear as if it still belongs to Router B’s old network (AS 200) as far as communicating with Router C is concerned.Figure 23. Before and After AS Num

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3. Prepend "65001 65002" to as-path.Local-AS is prepended before the route-map to give an impression that update passed through a router in

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• The f10BgpM2[Cfg]PeerReflectorClient field is populated based on the assumption that route-reflector clients are not in a full mesh if you enable BG

Strany 78 - Configuring 802.1X

By default, Dell Networking OS compares the MED attribute on different paths from within the same AS (the bgp always-compare-med command is not enable

Strany 79 - Enabling 802.1X

Monitoring iSCSI Traffic Flows... 464Application of Qu

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NOTE: Sample Configurations for enabling BGP routers are found at the end of this chapter.1. Assign an AS number and enter ROUTER BGP mode.CONFIGURATI

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CONFIG-ROUTER-BGP modeneighbor {ip-address | peer-group-name} no shutdownExamples of the show ip bgp CommandsNOTE: When you change the configuration o

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For the router’s identifier, Dell Networking OS uses the highest IP address of the Loopback interfaces configured. Because Loopback interfaces are vir

Strany 83 - Re-Authenticating a Port

Connections established 0; dropped 0 Last reset never No active TCP connectionDell#The following example shows verifying the BGP configuration usi

Strany 84 - Configuring Timeouts

bgp asnotation asplainNOTE: ASPLAIN is the default method Dell Networking OS uses and does not appear in the configuration display.• Enable ASDOT AS N

Strany 85 - Authentication

Configuring Peer GroupsTo configure multiple BGP neighbors at one time, create and populate a BGP peer group.An advantage of peer groups is that membe

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To add an internal BGP (IBGP) neighbor, configure the as-number parameter with the same BGP as-number configured in the router bgp as-number command.E

Strany 87 - Configuring a Guest VLAN

neighbor 10.1.1.1 shutdown neighbor 10.14.8.60 remote-as 18505 neighbor 10.14.8.60 no shutdownDell(conf-router_bgp)#To disable a peer group, use t

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When you enable fall-over, BGP tracks IP reachability to the peer remote address and the peer local address. Whenever either address becomes unreachab

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Notification History 'Connection Reset' Sent : 5 Recv: 0Local host: 200.200.200.200, Local port: 65519Foreign host: 100.100.100.100, Foreig

Strany 90 - CAM Usage

Configuring LACP Commands...499LACP Configuration Task

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CONFIG-ROUTER-BGP modeneighbor peer-group-name subnet subnet-number maskThe peer group responds to OPEN messages sent on this subnet.3. Enable the pee

Strany 92 - ACL Optimization

network 100.10.92.0/24 network 192.168.10.0/24 bgp four-octet-as-support neighbor 10.10.21.1 remote-as 65123 neighbor 10.10.21.1 filter-list Lau

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neighbor 100.10.92.9 local-as 6500 neighbor 100.10.92.9 no shutdown neighbor 192.168.10.1 remote-as 65123 neighbor 192.168.10.1 update-source Loo

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• Set maximum time to retain the restarting peer’s stale paths.CONFIG-ROUTER-BGP modebgp graceful-restart [stale-path-time time-in-seconds]The default

Strany 95 - Configure Route Map Filters

to affect interdomain routing. By identifying certain ASN in the AS_PATH, you can permit or deny routes based on the number in its AS_PATH.AS-PATH ACL

Strany 96 - Configuring Match Routes

0x6cc18d4 0 1 18508 701 2914 4713 17935 i0x5982e44 0 162 18508 209 i0x67d4a14 0 2 18508 701 19878 ?0x559972c 0 31

Strany 97 - Configuring Set Conditions

The following example applies access list Eagle to routes inbound from BGP peer 10.5.5.2. Access list Eagle uses a regular expression to deny routes o

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redistribute isis [level-1 | level-1-2 | level-2] [metric value] [route-map map-name]Configure the following parameters:– level-1, level-1-2, or level

Strany 99 - Continue Clause

IETF RFC 1997 defines the COMMUNITY attribute and the predefined communities of INTERNET, NO_EXPORT_SUBCONFED, NO_ADVERTISE, and NO_EXPORT. All BGP ro

Strany 100 - IP Fragment Handling

deny 701:667 deny 702:667 deny 703:667 deny 704:666 deny 705:666 deny 14551:666Dell#Configuring an IP Extended Community ListTo configure an IP

Strany 101 - Layer 4 ACL Rules Examples

TIA Organizationally Specific TLVs...532Configure LLDP...

Strany 102 - Configure a Standard IP ACL

Filtering Routes with Community ListsTo use an IP community list or IP extended community list to filter routes, you must apply a match community filt

Strany 103 - Access Control Lists (ACLs)

To view the BGP configuration, use the show config command in CONFIGURATION ROUTER BGP mode.If you want to remove or add a specific COMMUNITY number f

Strany 104 - Configure an Extended IP ACL

Dell>show ip bgp communityBGP table version is 3762622, local router ID is 10.114.8.48Status codes: s suppressed, d damped, h history, * valid, >

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CONFIG-ROUTER-BGP modebgp default local-preference value– value: the range is from 0 to 4294967295.The default is 100.To view the BGP configuration, u

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set next-hop ip-addressChanging the WEIGHT AttributeTo change how the WEIGHT attribute is used, enter the first command. You can also use route maps t

Strany 107 - Applying an IP ACL

For inbound and outbound updates the order of preference is:• prefix lists (using the neighbor distribute-list command)• AS-PATH ACLs (using the neigh

Strany 108 - Configure Ingress ACLs

• If the prefix list contains no filters, all routes are permitted.• If none of the routes match any of the filters in the prefix list, the route is d

Strany 109 - Configure Egress ACLs

Filtering BGP Routes Using AS-PATH InformationTo filter routes based on AS-PATH information, use these commands.1. Create a AS-PATH ACL and assign it

Strany 110 - IP Prefix Lists

• Assign an ID to a router reflector cluster.CONFIG-ROUTER-BGP modebgp cluster-id cluster-idYou can have multiple clusters in an AS.• Configure the lo

Strany 111 - Implementation Information

Configuring BGP ConfederationsAnother way to organize routers within an AS and reduce the mesh for IBGP peers is to configure BGP confederations.As wi

Strany 112

Notes, Cautions, and WarningsNOTE: A NOTE indicates important information that helps you make better use of your computer.CAUTION: A CAUTION indicates

Strany 113 - Viewing Prefix Lists

Limiting the Source-Active Messages from a Peer...567Preventing MSDP from Cachi

Strany 114

• history entry — an entry that stores information on a downed route• dampened path — a path that is no longer advertised• penalized path — a path tha

Strany 115 - ACL Resequencing

show ip bgp flap-statistics [ip-address [mask]] [filter-list as-path-name] [regexp regular-expression]– ip-address [mask]: enter the IP address and ma

Strany 116

Dampening enabled. 0 history paths, 0 dampened paths, 0 penalized pathsNeighbor AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd10.114.8

Strany 117 - Route Maps

To reset a BGP connection using BGP soft reconfiguration, use the clear ip bgp command in EXEC Privilege mode at the system prompt.When you enable sof

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Route Map ContinueThe BGP route map continue feature, continue [sequence-number], (in ROUTE-MAP mode) allows movement from one route-map entry to a sp

Strany 119

• When exchanging updates with the peer, BGP sends and receives IPv4 multicast routes if the peer is marked as supporting that AFI/SAFI.• Exchange of

Strany 120

EXEC Privilege modedebug ip bgp [ip-address | peer-group peer-group-name] notifications [in | out]• View information about BGP updates and filter by p

Strany 121 - How BFD Works

Capabilities advertised to neighbor for IPv4 Unicast : MULTIPROTO_EXT(1) ROUTE_REFRESH(2) CISCO_ROUTE_REFRESH(128)For address family: IPv4 UnicastB

Strany 122 - BFD Packet Format

00000000 00000000 00000000 00000000 0181a1e4 0181a25c 41af92c0 00000000 00000000 00000000 00000000 00000001 0181a1e4 0181a25c 41af9400 00000000

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Sample ConfigurationsThe following example configurations show how to enable BGP and set up some peer groups. These examples are not comprehensive dir

Strany 124 - BFD Three-Way Handshake

31 Open Shortest Path First (OSPFv2 and OSPFv3)...605Protocol Overview...

Strany 125 - Session State Changes

no shutdownR1(conf-if-lo-0)#int te 1/21R1(conf-if-te-1/21)#ip address 10.0.1.21/24R1(conf-if-te-1/21)#no shutdownR1(conf-if-te-1/21)#show config!inter

Strany 126 - Configure BFD

R2(conf-router_bgp)#network 192.168.128.0/24R2(conf-router_bgp)#neighbor 192.168.128.1 remote 99R2(conf-router_bgp)#neighbor 192.168.128.1 no shutR2(c

Strany 127 - Enabling BFD Globally

R1(conf-router_bgp)# neighbor 192.168.128.3 peer-group BBBR1(conf-router_bgp)#R1(conf-router_bgp)#show config!router bgp 99network 192.168.128.0/24nei

Strany 128

Minimum time between advertisement runs is 30 secondsMinimum time before advertisements start is 0 secondsExample of Enabling Peer Groups (Router 2)R2

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BGP-RIB over all using 207 bytes of memory2 BGP path attribute entrie(s) using 128 bytes of memory2 BGP AS-PATH entrie(s) using 90 bytes of memory2 ne

Strany 130 - Disabling and Re-Enabling BFD

9Content Addressable Memory (CAM)Content addressable memory (CAM) is supported on the S6000 platform.CAM is a type of memory that stores information i

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CAM Allocation SettingOpenflow 0fedgovacl 0The following additional CAM allocation settings are supported on the S6000, S4810 or S4820T platforms only

Strany 132 - Configure BFD for OSPF

EXEC Privilege modecam-acl {default | l2acl number ipv4acl number ipv6acl number ipv4qos number l2qos number l2pt number ipmacacl number vman-qos | vm

Strany 133

IPv4Flow : 24K entries : 24K entriesEgL2ACL : 1K entries : 1K entriesEgIPv4ACL : 1K entries : 1K entriesReserved

Strany 134 - Disabling BFD for OSPF

L2PT : 0 0IpMacAcl : 0 0VmanQos : 0

Strany 135 - Configure BFD for OSPFv3

Implementation Information... 657Protocol Ove

Strany 136 - Configure BFD for IS-IS

-- Stack unit 7 -- Current Settings(in block sizes) 1 block = 128 entriesL2Acl : 6Ipv4Acl : 4I

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Troubleshoot CAM ProfilingThe following section describes CAM profiling troubleshooting.CAM Profile MismatchesThe CAM profile on all cards must match

Strany 138 - Disabling BFD for IS-IS

A table-full error message is displayed once the number of entries is crossed the table size. Table-full message is generated only once when it crosse

Strany 139 - Configure BFD for BGP

10Control Plane Policing (CoPP)Control plane policing (CoPP) is supported on the S6000 platform.Control plane policing (CoPP) uses access control list

Strany 140

Figure 26. CoPP Implemented Versus CoPP Not ImplementedConfigure Control Plane PolicingFor example, border gateway protocol (BGP) and internet control

Strany 141 - Disabling BFD for BGP

CoPP policies are configured by creating extended ACL rules and specifying rate-limits through QoS policies. The ACLs and QoS policies are assigned as

Strany 142 - Use BFD in a BGP Peer Group

Examples of Configuring CoPP for Different ProtocolsThe following example shows creating the IP/IPv6/MAC extended ACL.Dell(conf)#ip access-list extend

Strany 143

The following example shows creating the control plane service policy.Dell(conf)#control-plane-cpuqosDell(conf-control-cpuqos)#service-policy rate-lim

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The following example shows creating the control plane service policy.Dell#confDell(conf)#control-planeDell(conf-control-plane)#service-policy rate-li

Strany 145

GVRP 01:80:c2:00:00:21 any Q7 CP _STP 01:80:c2:00:00:00 any Q7 CP _ISIS 01:80:c2:00:00:14/15 any Q

Strany 146 - Configure BFD for VRRP

Configure Per-VLAN Spanning Tree Plus... 685Related Configuration

Strany 147

11Data Center Bridging (DCB)Data center bridging (DCB) is supported on the S6000 platform.NOTE: Ethernet Enhancements in Data Center BridgingThe follo

Strany 148

network that may drop packets in case of network congestion. IP networks rely on transport protocols (for example, TCP) for reliable data transmission

Strany 149 - Troubleshooting BFD

The system supports loading two DCB_Config files:• FCoE converged traffic with priority 3.• iSCSI storage traffic with priority 4.In the Dell Networki

Strany 150

• PFC uses DCB MIB IEEE 802.1azd2.5 and PFC MIB IEEE 802.1bb-d2.2.• PFC is supported on specified 802.1p priority traffic (dot1p 0 to 7) and is config

Strany 151 - Autonomous Systems (AS)

Table 10. ETS Traffic GroupingsTraffic Groupings DescriptionPriority group A group of 802.1p priorities used for bandwidth allocation and queue schedu

Strany 152 - Figure 17. Internal BGP

Data Center Bridging Exchange Protocol (DCBx)The data center bridging exchange (DCBx) protocol is disabled by default on the S4810; ETS is also disabl

Strany 153 - Sessions and Peers

Enabling Data Center BridgingDCB is automatically configured when you configure FCoE or iSCSI optimization.Data center bridging supports converged enh

Strany 154 - Route Reflectors

NOTE: Dell Networking does not recommend mapping all ingress traffic to a single queue when using PFC and ETS. However, Dell Networking does recommend

Strany 155 - BGP Attributes

fpStatsPerPgTableThis table fetches the Allocated Min cells, Shared cells and Headroom cells per Priority Group, the mode in which the buffer cells ar

Strany 156 - Best Path Selection Criteria

Enter the 802.1p values of the frames to be paused.The range is from 0 to 7.The default is none.Maximum number of loss less queues supported on the sw

Strany 157 - Best Path Selection Details

Classifying Incoming Packets Using ECN and Color-Marking...723Sample configuration to mark non-ecn pack

Strany 158 - Local Preference

You can enable any number of 802.1p priorities for PFC. Queues to which PFC priority traffic is mapped are lossless by default. Traffic may be interru

Strany 159

interface type slot/port2. Configure the port queues that will still function as no-drop queues for lossless traffic.INTERFACE modepfc no-drop queues

Strany 160

By default, the PFC buffer is enabled on all ports on the stack unit.• Configure the PFC buffer for all port pipes in a specified stack unit by specif

Strany 161 - Next Hop

• When allocating bandwidth or configuring a queue scheduler for dot1p priorities in a priority group on a DCBx CIN interface, take into account the C

Strany 162 - Multiprotocol BGP

4. Exit DCB Output Policy Configuration mode.POLICY-MAP-OUT-ETS modeexitDell Networking OS Behavior: Traffic in priority groups is assigned to strict-

Strany 163 - Four-Byte AS Numbers

Creating an ETS Priority GroupAn ETS priority group specifies the range of 802.1p priority traffic to which a QoS output policy with ETS settings is a

Strany 164 - AS4 Number Representation

The maximum number of priority groups supported in ETS output policies on an interface is equal to the number of data queues (4) on the port. The 802.

Strany 165 - AS Number Migration

Dell Networking OS Behavior: Create a DCB output policy to associate a priority group with an ETS output policy with scheduling and bandwidth configur

Strany 166

Configuring Bandwidth Allocation for DCBx CINAfter you apply an ETS output policy to an interface, if the DCBx version used in your data center networ

Strany 167

dcb-policy input stack-unit {all | stack-unit-id} stack-ports all dcb-input-policy-nameEntering this command removes all DCB input policies applied to

Strany 168 - BGP Configuration

42 Service Provider Bridging...758VLAN Stacking...

Strany 169 - Enabling BGP

DCBx OperationDCBx performs the following operations:• Discovers DCB configuration (such as PFC and ETS) in a peer device.• Detects DCB mis-configurat

Strany 170

• If the received peer configuration is not compatible with the currently configured port configuration, the link with the DCBx peer port is disabled

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NOTE: On a DCBx port, application priority TLV advertisements are handled as follows:• The application priority TLV is transmitted only if the priorit

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A newly elected configuration source propagates configuration changes received from a peer to the other auto-configuration ports. Ports receiving auto

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Behavior of Tagged PacketsThe below is example for enabling PFC for priority 2 for tagged packets. Priority (Packet Dot1p) 2 will be mapped to PG6 on

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Table 11.Internal-priority0 1 2 3 4 5 6 7Queue 1 2 0 3 4 5 6 7policy-map-input policy-dscp-based-pfc service-queue 0 class-map dscp-pfc-1 service-queu

Strany 175 - Configuring Peer Groups

Figure 29. DCBx Sample TopologyDCBx Prerequisites and RestrictionsThe following prerequisites and restrictions apply when you configure DCBx operation

Strany 176

[no] protocol lldp3. Configure the DCBx version used on the interface, where: auto configures the port to operate using the DCBx version received from

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• fcoe: enables the advertisement of FCoE in Application Priority TLVs.• iscsi: enables the advertisement of iSCSI in Application Priority TLVs.The de

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NOTE: You can configure the transmission of more than one TLV type at a time. You can only enable ETS recommend TLVs (ets-reco) if you enable ETS conf

Strany 179 - Configuring Passive Peering

44 Simple Network Management Protocol (SNMP)...783Protocol Overview...

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in a DCBx TLV from a remote peer but received a different, conflicting DCBx version.DSM_DCBx_PFC_PARAMETERS_MATCH and DSM_DCBx_PFC_PARAMETERS_MISMATCH

Strany 181

Command Outputshow qos priority-groupsDisplays the ETS priority groups configured on the switch, including the 802.1p priority classes and ID of each

Strany 182 - Enabling Graceful Restart

The following example shows the show qos dcb-output command.Dell# show qos dcb-outputdcb-output ets priority-group san qos-policy san priority-group

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The following table describes the show interface pfc summary command fields.Table 13. show interface pfc summary Command DescriptionFields Description

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Fields DescriptionApplication Priority TLV: ISCSI TLV Tx Status Status of ISCSI advertisements in application priority TLVs from local DCBx port: enab

Strany 185

1 0,1,2 100% ETS2 3 0 % SP3 4,5,6,7 0 % SP4 - -5

Strany 186 - Redistributing Routes

Local Parameters :------------------Local is enabledTC-grp Priority# Bandwidth TSA0 0,1,2,3,4,5,6,7 100% ETS1 0% ETS2 0% ETS3 0% ETS4 0% ETS5 0% ETS6

Strany 187 - Enabling Additional Paths

------------------Local is enabledTC-grp Priority# Bandwidth TSA0 0,1,2,3,4,5,6,7 100% ETS1

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Field DescriptionLocal Parameters ETS configuration on local port, including Admin mode (enabled when a valid TLV is received from a peer), priority g

Strany 189

Number of Traffic Classes is 1Admin mode is onAdmin Parameters:--------------------Admin is enabledTC-grp Priority# Bandwidth TSA--------

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46 Spanning Tree Protocol (STP)... 808Protocol Overview...

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Pkts 1 Input ETS Reco TLV pkts, 1 Output ETS Reco TLV pkts, 0 Error ETS Reco TLV PktsThe following example shows the show interface DCBx detail comma

Strany 192 - Changing MED Attributes

Field DescriptionConfiguration Source Specifies whether the port serves as the DCBx configuration source on the switch: true (yes) or false (no).Local

Strany 193

policy map to forward the matched DSCP packet to that queue. PFC frames gets generated with PFC priority associated with the queue when the queue gets

Strany 194 - Filtering BGP Routes

PRIORITY to PG mapping (PRIO2PG) is on the ingress for each port. By default, all priorities are mapped to PG7. A priority for which PFC has to be gen

Strany 195

Figure 30. PFC and ETS Applied to LAN, IPC, and SAN Priority TrafficQoS Traffic Classification: The service-class dynamic dot1p command has been used

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dot1p Value in the Incoming FramePriority Group Assignment3 SAN4 IPC5 LAN6 LAN7 LANThe following describes the priority group-bandwidth assignment.Pri

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Dell(conf-qos-policy-out)# exitDell(conf)# qos-policy-output ipc etsDell(conf-qos-policy-out)# bandwidth-percentage 5Dell(conf-qos-policy-out)# exitEx

Strany 198 - Aggregating Routes

In this example, the configured ETS bandwidth allocation and scheduler behavior is as follows:Unused bandwidth usage:Normally, if there is no traffic

Strany 199 - Enabling Route Flap Dampening

Step Task Command Command Modepriority groups is made available and allocated according to the specified percentages. If a priority group does not use

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Step Task Command Command Mode1Enter interface configuration mode on an Ethernet port.interface {tengigabitEthernet slot/port | fortygigabitEthernet s

Strany 201

48 Tunneling ... 835Configuring a Tunnel...

Strany 202 - Changing BGP Timers

Configuring Lossless QueuesDCB also supports the manual configuration of lossless queues on an interface after you disable PFC mode in a DCB map and a

Strany 203

Data Center Bridging: Default ConfigurationThis functionality is supported on the S6000 platform.Before you configure PFC and ETS on an S6000 switch (

Strany 204 - Enabling MBGP Configurations

As soon as you apply a DCB map with PFC enabled on an interface, DCBx starts exchanging information with a peer. The IEEE802.1Qbb, CEE and CIN version

Strany 205 - Debugging BGP

ETS Configuration NotesETS provides a way to optimize bandwidth allocation to outbound 802.1p classes of converged Ethernet traffic. Different traffic

Strany 206 - Storing Last and Bad PDUs

The following prerequisites and restrictions apply when you configure ETS bandwidth allocation or strict-priority queuing in a DCB map:• When allocati

Strany 207 - Capturing PDUs

Dynamic ingress buffering enables the sending of pause frames at different thresholds based on the number of ports that experience congestion at a tim

Strany 208 - PDU Counters

Configure the dcb-buffer-threshold command and its related parameters only on ports with either auto configuration or dcb-map configuration. This comm

Strany 209 - Sample Configurations

S6000-109-Dell(conf)#dcb pfc-shared-buffer-size 4000 S6000-109-Dell(conf)#dcb pfc-total-buffer-size 50003. Configure the number of PFC queues.CONFIGUR

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Applying a DCB Map in a Switch Stack Apply the same DCB map with PFC and ETS configuration to all stacked ports in a switch stack. You cannot apply di

Strany 211

12Dynamic Host Configuration Protocol (DHCP)Dynamic host configuration protocol (DHCP) is available on the S6000 platform.DHCP is an application layer

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VLT Bandwidth Monitoring...864VLT and IGMP Snoop

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Option Number and DescriptionSubnet Mask Option 1Specifies the client’s subnet mask.Router Option 3Specifies the router IP addresses that may serve as

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Option Number and DescriptionIdentifiers a user-defined string used by the Relay Agent to forward DHCP client packets to a specific server.L2 DHCP Sno

Strany 215 - CAM Allocation

Figure 32. Client and Server MessagingImplementation InformationThe following describes DHCP implementation.• Dell Networking implements DHCP based on

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Configure the System to be a DHCP ServerConfiguring the system to be a DHCP server is supported only on the S6000 platform.A DHCP server is a network

Strany 217 - View CAM Profiles

3. Specify the range of IP addresses from which the DHCP server may assign addresses.DHCP <POOL> modenetwork network/prefix-length• network: the

Strany 218 - View CAM-ACL Settings

lease {days [hours] [minutes] | infinite}The default is 24 hours.Specifying a Default GatewayThe IP address of the default router should be on the sam

Strany 219

Creating Manual Binding EntriesAn address binding is a mapping between the IP address and the media access control (MAC) address of a client.The DHCP

Strany 220 - CAM Optimization

Configure the System to be a DHCP ClientA DHCP client is a network device that requests an IP address and configuration parameters from a DHCP server.

Strany 221 - Troubleshoot CAM Profiling

• Release the IP address dynamically acquired from a DHCP server from the interface.• Disable the DHCP client on the interface so it cannot acquire a

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• To display statistics about DHCP client interfaces, use the show ip dhcp client statistics interface type slot/port command.• To clear DHCP client s

Strany 223 - Control Plane Policing (CoPP)

Contents1 About this Guide... 32Audience...

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Configuring and Controlling VXLAN from the NVP Controller GUI...906Configuring VxLAN Gateway...

Strany 225

Virtual Link Trunking (VLT)A DHCP client is not supported on VLT interfaces.VLAN and Port ChannelsDHCP client configuration and behavior are the same

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The received stacking configuration is always applied on the master stack unit.option #230 "unit-number:3#priority:2#stack-group:14"Configur

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ip dhcp relay information-option remote-idDHCP SnoopingDHCP snooping protects networks from spoofing. In the context of DHCP snooping, ports are eithe

Strany 228 - Show Commands

3. Enable DHCP snooping on a VLAN.CONFIGURATION modeip dhcp snooping vlan nameAdding a Static Entry in the Binding TableTo add a static entry in the b

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Drop DHCP Packets on Snooped VLANs OnlyBinding table entries are deleted when a lease expires or the relay agent encounters a DHCPRELEASE.Line cards m

Strany 230 - Data Center Bridging (DCB)

MAC flooding An attacker can send fraudulent ARP messages to the gateway until the ARP cache is exhausted, after which, traffic from the gateway is br

Strany 231 - Priority-Based Flow Control

To see how many valid and invalid ARP packets have been processed, use the show arp inspection statistics command.Dell#show arp inspection statisticsD

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The DHCP binding table associates addresses the DHCP servers assign, with the port on which the requesting client is attached. When you enable IP sour

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ip dhcp source-address-validation ipmacDell Networking OS creates an ACL entry for each IP+MAC address pair in the binding table and applies it to the

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13Equal Cost Multi-Path (ECMP)Equal cost multi-path (ECMP) is supported on theS6000 platform.ECMP for Flow-Based AffinityECMP for flow-based affinity

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Enabling Environmental Monitoring... 959Recognize an Over

Strany 236 - Enabling Data Center Bridging

CONFIGURATION mode.ipv6 ecmp-deterministicConfiguring the Hash Algorithm SeedDeterministic ECMP sorts ECMPs in order even though RTM provides them in

Strany 237

NOTE: An ecmp-group index is generated automatically for each unique ecmp-group when the user configures multipath routes to the same network. The sys

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Creating an ECMP Group BundleWithin each ECMP group, you can specify an interface.If you enable monitoring for the ECMP group, the utilization calcula

Strany 239

Dell(conf-ecmp-group-5)#show config!ecmp-group 5 interface tengigabitethernet 0/2 interface tengigabitethernet 0/3 link-bundle-monitor enableDell(c

Strany 240 - Configuring Lossless Queues

The following is the portion of the example output from Release 9.3(0.1):Neighbor Mac-Addr Port Vid EC --------

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14FCoE TransitThe Fibre Channel over Ethernet (FCoE) Transit feature is supported on the switch on Ethernet interfaces. When you enable the switch for

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FIP provides functionality for discovering and logging into an FCF. After discovering and logging in, FIP allows FCoE traffic to be sent and received

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Figure 33. FIP Discovery and Login Between an ENode and an FCFFIP Snooping on Ethernet BridgesIn a converged Ethernet network, intermediate Ethernet b

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FCoE-generated ACLsThese take precedence over user-configured ACLs. A user-configured ACL entry cannot deny FCoE and FIP snooping frames.The following

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The following sections describe how to configure the FIP snooping feature on a switch that functions as a FIP snooping bridge so that it can perform t

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1About this GuideThis guide describes the protocols and features the Dell Networking Operating System (OS) supports and provides configuration instruc

Strany 247 - ETS Operation with DCBx

For VLAN membership, you must:• create the VLANs on the switch which handles FCoE traffic (use the interface vlan command).• configure each FIP snoopi

Strany 248

Enable FIP Snooping on VLANsYou can enable FIP snooping globally on a switch on all VLANs or on a specified VLAN.When you enable FIP snooping on VLANs

Strany 249 - Configure a DCBx Operation

Table 21. Impact of Enabling FIP SnoopingImpact DescriptionMAC address learning MAC address learning is not performed on FIP and FCoE frames, which ar

Strany 250 - DCBx Port Roles

FCoE configuration:copy flash:/ CONFIG_TEMPLATE/ FCoE_DCB_Config running-configThe configuration files are stored in the flash memory in the CONFIG_TE

Strany 251

Command Outputand MAC address, FCF MAC address, VLAN ID and FC-ID.show fip-snooping fcf [fcf-mac-address]Displays information on the FCFs in FIP-snoop

Strany 252 - Configuration Source Election

Table 23. show fip-snooping sessions Command DescriptionField DescriptionENode MAC MAC address of the ENode .ENode Interface Slot/ port number of the

Strany 253

The following example shows the show fip-snooping fcf command.Dell# show fip-snooping fcfFCF MAC FCF Interface VLAN FC-MAP FKA_ADV_PERIOD

Strany 254 - Behavior of Tagged Packets

Number of FLOGI :1Number of FDISC :16Number of FLOGO

Strany 255 - DCBx Example

Field DescriptionNumber of FLOGI Number of FIP-snooped FLOGI request frames received on the interface.Number of FDISC Number of FIP-snooped FDISC requ

Strany 256 - Configuring DCBx

The following example shows the show fip-snooping vlan command.Dell# show fip-snooping vlan* = Default VLANVLAN FC-MAP FCFs Enodes Sessions----

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2Configuration FundamentalsThe Dell Networking Operating System (OS) command line interface (CLI) is a text-based interface you can use to configure i

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Example of Enabling the FIP Snooping Feature on the Switch (FIP Snooping Bridge)Dell(conf)# feature fip-snoopingExample of Enabling FIP Snooping on th

Strany 259 - DCBx Error Messages

15Flex Hash and Optimized Boot-UpThis chapter describes the Flex Hash and fast-boot enhancements.Flex Hash Capability OverviewThis functionality is su

Strany 260

When load balancing RRoCE packets using flex hash is enabled, the show ip flow command is disabled. Similarly, when the show ip flow command is in use

Strany 261

a ToR, leaf and spine unit or configuration setup. An exterior border gateway protocol (EBGP) session exists between the ToR and leaf switch units, an

Strany 262

9. Traffic from North-South and South-North nodes are of line rate type.10. Traffic outage for a planned reboot is less than 30 seconds for 4000 route

Strany 263

because of the peer timing out, traffic disruption occurs from that point onwards, even if the system continues to maintain valid routing information

Strany 264

dynamic ARP or ND database entries are not present or required to be restored. The system boot up mode will not be fast boot and actions specific to t

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While the above change will ensure that at least one path to each destination gets into the FIB as quickly as possible, it does prevent additional pat

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occurs. You can optimize the booting time of the ToR nodes that experience a single point of failure to reduce the outage in traffic-handling operatio

Strany 267

16Force10 Resilient Ring Protocol (FRRP)Force10 resilient ring protocol (FRRP) is supported on the S6000 platform.FRRP provides fast network convergen

Strany 268

• EXEC Privilege mode has commands to view configurations, clear counters, manage configuration files, run diagnostics, and enable or disable debug op

Strany 269

The Member VLAN is the VLAN used to transmit data as described earlier.The Control VLAN is used to perform the health checks on the ring. The Control

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Multiple FRRP RingsUp to 255 rings are allowed per system and multiple rings can be run on one system.More than the recommended number of rings may ca

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Concept ExplanationControl VLAN Each ring has a unique Control VLAN through which tagged ring health frames (RHF) are sent. Control VLANs are used onl

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Concept ExplanationThere is no periodic transmission of TCRHFs. The TCRHFs are sent on triggered events of ring failure or ring restoration only.Imple

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Configuring the Control VLANControl and member VLANS are configured normally for Layer 2. Their status as control or member is determined at the FRRP

Strany 274

• For a Gigabit Ethernet interface, enter the keyword GigabitEthernet then the slot/port information.• For a SONET interface, enter the keyword sonet

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• Slot/Port, range: Slot and Port ID for the interface. The range is entered Slot/Port-Port.• For a 10/100/1000 Ethernet interface, enter the keyword

Strany 276

• Enter the desired intervals for Hello-Interval or Dead-Interval times.CONFIG-FRRP mode.timer {hello-interval|dead-interval} milliseconds– Hello-Inte

Strany 277

Troubleshooting FRRPTo troubleshoot FRRP, use the following information.Configuration Checks• Each Control Ring must use a unique VLAN ID.• Only two i

Strany 278 - Applying a DCB Map on a Port

no ip address switchport no shutdown!interface Vlan 101 no ip address tagged GigabitEthernet 2/14,31 no shutdown!interface Vlan 201 no ip addr

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CLI Command Mode Prompt Access CommandNOTE: Access all of the following modes from CONFIGURATION mode.AS-PATH ACLDell(config-as-path)# ip as-path acce

Strany 280

17GARP VLAN Registration Protocol (GVRP)GARP VLAN registration protocol (GVRP) is supported on the S6000 platform.Typical virtual local area network (

Strany 281 - PFC Configuration Notes

Configure GVRPTo begin, enable GVRP.To facilitate GVRP communications, enable GVRP globally on each switch. Then, GVRP configuration is per interface

Strany 282

• Configure a GARP TimerEnabling GVRP GloballyTo configure GVRP globally, use the following command.• Enable GVRP for the entire switch.CONFIGURATION

Strany 283 - ETS Configuration Notes

not be unconfigured when it receives a Leave PDU. Therefore, the registration mode on that interface is FIXED.• Forbidden Mode — Disables the port to

Strany 284 - Pause and Resume of Traffic

LeaveAll Timer 5000Dell(conf)#Dell Networking OS displays this message if an attempt is made to configure an invalid GARP timer: Dell(conf)#garp time

Strany 285 - Settings

18Internet Group Management Protocol (IGMP)Internet group management protocol (IGMP) is supported on the S6000 platform.Multicast is premised on ident

Strany 286

Figure 37. IGMP Messages in IP PacketsJoin a Multicast GroupThere are two ways that a host may join a multicast group: it may respond to a general que

Strany 287

response, the querier removes the group from the list associated with forwarding port and stops forwarding traffic for that group to the subnet.IGMP V

Strany 288

Figure 39. IGMP Version 3–Capable Multicast Routers Address StructureJoining and Filtering Groups and SourcesThe following illustration shows how mult

Strany 289 - Figure 31. DHCP packet Format

Figure 40. Membership Reports: Joining and FilteringLeaving and Staying in GroupsThe following illustration shows how multicast routers track and refr

Strany 290

CLI Command Mode Prompt Access CommandRAPID SPANNING TREEDell(config-rstp)# protocol spanning-tree rstpREDIRECTDell(conf-redirect-list)# ip redirect-l

Strany 291

Figure 41. Membership Queries: Leaving and StayingConfigure IGMPConfiguring IGMP is a two-step process.1. Enable multicast routing using the ip multic

Strany 292

• Fast Convergence after MSTP Topology Changes• Designating a Multicast Router InterfaceViewing IGMP Enabled InterfacesInterfaces that are enabled wit

Strany 293

IGMP version is 3Dell(conf-if-gi-1/13)#Viewing IGMP GroupsTo view both learned and statically configured IGMP groups, use the following command.• Vi

Strany 294 - Configuration Tasks

INTERFACE modeip igmp query-interval• Adjust the maximum response time.INTERFACE modeip igmp query-max-resp-time• Adjust the last member query interva

Strany 295 - Specifying a Default Gateway

Enabling IGMP Immediate-LeaveIf the querier does not receive a response to a group-specific or group-and-source query, it sends another (querier robus

Strany 296 - Using DHCP Clear Commands

• View the configuration.CONFIGURATION modeshow running-config• Disable snooping on a VLAN.INTERFACE VLAN modeno ip igmp snoopingRelated Configuration

Strany 297

• Configure the switch to only forward unregistered packets to ports on a VLAN that are connected to mrouter ports.CONFIGURATION modeno ip igmp snoopi

Strany 298

ip igmp snooping last-member-query-intervalFast Convergence after MSTP Topology ChangesThe following describes the fast convergence feature.When a por

Strany 299 - Stacking

routes. If SSH is specified as a management application, SSH links to and from an unknown destination uses the management default route.Protocol Separ

Strany 300 - DHCP Server

can configure two default routes, one configured on the management port and the other on the front-end port.Two tables, namely, Egress Interface Selec

Strany 301 - Configure Secure DHCP

CLI Command Mode Prompt Access CommandLLDP MANAGEMENT INTERFACEDell(conf-lldp-mgmtIf)#management-interface (LLDP Mode)LINEDell(config-line-console) or

Strany 302

When the feature is disabled using the no management egress-interface-selection command, the following operations are performed:• All management appli

Strany 303 - Clearing the Binding Table

the show management application pkt-drop-cntr command. This counter is cleared using clear management application pkt-drop-cntr command.• Packets whos

Strany 304 - Dynamic ARP Inspection

traffic for such end-user-originated sessions destined to management port ip1 is handled using the EIS route lookup.Handling of Transit Traffic (Traff

Strany 305

This phenomenon occurs where traffic is transiting the switch. Traffic has not originated from the switch and is not terminating on the switch.• Drop

Strany 306 - Source Address Validation

Protocol Behavior when EIS is Enabled Behavior when EIS is Disableddns EIS Behavior Default Behaviorftp EIS Behavior Default Behaviorntp EIS Behavior

Strany 307

Default Behavior: Route lookup is done in the default routing table and appropriate egress port is selected.Protocol Behavior when EIS is Enabled Beha

Strany 308

Designating a Multicast Router InterfaceTo designate an interface as a multicast router interface, use the following command.Dell Networking OS also h

Strany 309 - Equal Cost Multi-Path (ECMP)

19InterfacesThis chapter describes interface types, both physical and logical, and how to configure them with Dell Networking Operating System (OS).•

Strany 310 - Link Bundle Monitoring

Interface TypesThe following table describes different interface types.Interface Type Modes Possible Default Mode Requires Creation Default StatePhysi

Strany 311 - Managing ECMP Group Paths

Hardware is Force10Eth, address is 00:01:e8:05:f3:6a Current address is 00:01:e8:05:f3:6aPluggable media present, XFP type is 10GBASE-LR. Medium is

Strany 312 - Creating an ECMP Group Bundle

-- Stack Info --Unit UnitType Status ReqTyp CurTyp Version Ports-------------------------------------------------

Strany 313

interface GigabitEthernet 9/7 no ip address shutdown!interface GigabitEthernet 9/8 no ip address shutdown!interface GigabitEthernet 9/9 no ip add

Strany 314

Configuration Task List for Physical InterfacesBy default, all interfaces are operationally disabled and traffic does not pass through them.The follow

Strany 315 - FCoE Transit

Type of Interface Possible Modes Requires Creation Default State10/100/1000 Ethernet, 10 Gigabit EthernetLayer 2Layer 3No Shutdown (disabled)Managemen

Strany 316 - Table 20. FIP Functions

For information about enabling and configuring the Spanning Tree Protocol, refer to Spanning Tree Protocol (STP).To view the interfaces in Layer 2 mod

Strany 317

The ip-address must be in dotted-decimal format (A.B.C.D) and the mask must be in slash format (/xx).Add the keyword secondary if the IP address is th

Strany 318

Configuring EISEIS is compatible with the following protocols: DNS, FTP, NTP, RADIUS, sFlow, SNMP, SSH, Syslog, TACACS, Telnet, and TFTP.To enable and

Strany 319 - Using FIP Snooping

Configuring Management Interfaces on the S-SeriesYou can manage the S-Series from any port.To configure an IP address for the port, use the following

Strany 320

NOTE: To monitor VLAN interfaces, use Management Information Base for Network Management of TCP/IP-based internets: MIB-II (RFC 1213).NOTE: You cannot

Strany 321 - Configure the FC-MAP Value

• View Loopback interface configurations.EXEC modeshow interface loopback number• Delete a Loopback interface.CONFIGURATION modeno interface loopback

Strany 322 - Configuring FIP Snooping

Port Channel BenefitsA port channel interface provides many benefits, including easy management, link redundancy, and sharing.Port channels are transp

Strany 323

no ip address no shutdownLayer 2 protocols are disabled by default. To enable Layer 2 protocols, use the no disable command. For example, in PROTOC

Strany 324

configuration becomes the common speed of the port channel. If the other interfaces configured in that port channel are configured with a different sp

Strany 325

You can configure a port channel as you would a physical interface by enabling or configuring protocols or assigning access control lists.Adding a Phy

Strany 326

Gi 13/8 (Up) Gi 13/13 (Up) Gi 13/14 (Up)Dell#The following example shows the

Strany 327

Reassigning an Interface to a New Port ChannelAn interface can be a member of only one port channel. If the interface is a member of a port channel, r

Strany 328

Example of Configuring the Minimum Oper Up Links in a Port ChannelDell#config tDell(conf)#int po 1Dell(conf-if-po-1)#minimum-links 5Dell(conf-if-po-1)

Strany 329

– secondary: the IP address is the interface’s backup IP address. You can configure up to eight secondary IP addresses.Deleting or Disabling a Port Ch

Strany 330

– ip-selection [dest-ip | source-ip] — Distribute IP traffic based on the IP destination or source address.– mac [dest-mac | source-dest-mac | source-

Strany 331 - Flex Hash Capability Overview

The hash-algorithm command is specific to ECMP group. The default ECMP hash configuration is crc-lower. This command takes the lower 32 bits of the ha

Strany 332 - Optimizing the Boot Time

Bulk Configuration ExamplesUse the interface range command for bulk configuration.• Create a Single-Range• Create a Multiple-Range• Exclude Duplicate

Strany 333

Overlap Port RangesThe following is an example showing how the interface-range prompt extends a port range from the smallest start port number to the

Strany 334 - LACP and IPv4 Routing

4 Management... 54Configuring Privilege Levels...

Strany 335 - BGP Graceful Restart

Short-Cut Key CombinationActionCNTL-A Moves the cursor to the beginning of the command line.CNTL-B Moves the cursor back one character.CNTL-D Deletes

Strany 336 - Changes to BGP Multipath

Choosing an Interface-Range MacroTo use an interface-range macro, use the following command.• Selects the interfaces range to be configured using the

Strany 337

Traffic statistics: Current Rate Delta Input bytes: 0 0 Bps 0 Output bytes: 0 0 Bps 0 Input packets:

Strany 338

EXEC Privilege modeshow tdr gigabitethernet <slot>/<port>Splitting QSFP Ports to SFP+ PortsSplitting QSFP ports to SFP+ ports is supported

Strany 339 - Protocol Overview

When connected to a QSFP or QSFP+ port on a 40 Gigabit adapter, QSA acts as an interface for the SFP or SFP+ cables. This interface enables you to dir

Strany 340 - Ring Status

Support for LM4 OpticsThe newly supported LM4 optics are similar in behavior to the LR4 optics that are already supported. However, in the output of s

Strany 341 - Important FRRP Concepts

SFP+ 0 Id = 0x0dSFP+ 0 Ext Id = 0x00SFP+ 0 Connector = 0x23……………………….Dell#show interfaces tengi

Strany 342

QSFP 0 Connector = 0x23QSFP 0 Transceiver Code = 0x08 0x00 0x00 0x00 0x00 0x00 0x00 0x00QSFP 0 Encoding = 0x00…

Strany 343 - FRRP Configuration

Pluggable media present, SFP+ type is 10GBASE-SX……….LineSpeed 10000 MbitDell#show interfaces tengigabitethernet 0/4gigabitethernet 0/0 is up, line pro

Strany 344 - Configuring the Control VLAN

0 10 QSFP 4x10GBASE-CR1-3M APF12420031B3P0 11 QSFP 4x10GBASE-CR1-3M APF12420031B3P0 12

Strany 345

To view dampening information on all or specific dampened interfaces, use the show interfaces dampening command from EXEC Privilege mode.Dell# show in

Strany 346 - Setting the FRRP Timers

• show run | grep Ethernet returns a search result with instances containing a capitalized “Ethernet,” such as interface GigabitEthernet 0/0.• show ru

Strany 347 - Viewing the FRRP Information

Transmission MediaMTU Range (in bytes)Ethernet594-12000 = link MTU576-9234 = IP MTULink Bundle MonitoringLink bundle monitoring is supported only on t

Strany 348 - Troubleshooting FRRP

Control how the system responds to and generates 802.3x pause frames on Ethernet interfaces. The default is rx off tx off. INTERFACE mode. flowcontrol

Strany 349

The flow control sender and receiver must be on the same port-pipe. Flow control is not supported across different port-pipes.To enable pause frames,

Strany 350

• All members must have the same link MTU value and the same IP MTU value.• The port channel link MTU and IP MTU must be less than or equal to the lin

Strany 351 - Configure GVRP

Setting the Speed and Duplex Mode of Ethernet InterfacesTo discover whether the remote and local interface requires manual speed synchronization, and

Strany 352 - Configure GVRP Registration

Gi 0/3 Down Auto Auto --Gi 0/4 Force10Port Up 1000 Mbit Auto 30-130Gi 0/5 Down Auto Auto --Gi 0/6

Strany 353 - Configure a GARP Timer

• Change the default interval between keepalive messages.INTERFACE modekeepalive [seconds]• View the new setting.INTERFACE modeshow configView Advance

Strany 354 - Dell(conf)#

Configuring the Interface Sampling SizeAlthough you can enter any value between 30 and 299 seconds (the default), software polling is done once every

Strany 355 - IGMP Protocol Overview

0 64-byte pkts, 0 over 64-byte pkts, 0 over 127-byte pkts 0 over 255-byte pkts, 0 over 511-byte pkts, 0 over 1023-byte pktsReceived 0 input symbol

Strany 356 - Leaving a Multicast Group

– For a Port Channel interface, enter the keywords port-channel then a number.– For the management interface on the RPM, enter the keyword ManagementE

Strany 357 - IGMP Version 3

NOTE: You can filter a single command output multiple times. The save option must be the last option entered. For example: Dell# command | grep regula

Strany 358

The compressed configuration will group all the similar looking configuration thereby reducing the size of the configuration. For this release, the co

Strany 359 - Leaving and Staying in Groups

shutdown!interface TenGigabitEthernet 0/10no ip addressshutdown!interface TenGigabitEthernet 0/34ip address 2.1.1.1/16shutdown!interface Vlan 2no ip a

Strany 360 - Configure IGMP

no ip addressno shutdown!interface Vlan 1000ip address 1.1.1.1/16no shutdownUncompressed config size – 52 lineswrite memory compressedThe write memory

Strany 361 - Selecting an IGMP Version

20IPv4 RoutingIPv4 routing is supported on the S6000 platform.The Dell Networking Operating System (OS) supports various IP addressing features. This

Strany 362 - Adjusting Timers

• Assigning IP Addresses to an Interface (mandatory)• Configuring Static Routes (optional)• Configure Static Routes for the Management Interface (opti

Strany 363

interface GigabitEthernet 0/0 ip address 10.11.1.1/24 no shutdown!Dell(conf-if)#Dell(conf-if)#show conf!interface GigabitEthernet 0/0ip address 10.1

Strany 364 - IGMP Snooping

S 6.1.2.4/32 via 6.1.20.2, Te 5/0 1/0 00:02:30S 6.1.2.5/32 via 6.1.20.2, Te 5/0 1/0 00:02:30S 6.1.2.6/32 via 6.1.20.2, Te 5/

Strany 365 - Disabling Multicast Flooding

S 6.1.2.6/32 via 6.1.20.2, Te 5/0 1/0 00:02:30S 6.1.2.7/32 via 6.1.20.2, Te 5/0 1/0 00:02:30S 6.1.2.8/32 via 6.1.20.2, Te 5/0

Strany 366

You can set this duration or interval for which the TCP connection waits to be established to a significantly high value to prevent the device from mo

Strany 367 - Applications

Enabling Dynamic Resolution of Host NamesBy default, dynamic resolution of host names (DNS) is disabled.To enable DNS, use the following commands.• En

Strany 368 - Protocol Separation

3Getting StartedThis chapter describes how you start configuring your system.When you power up the chassis, the system performs a power-on self test (

Strany 369

ip domain-list nameConfigure this command up to six times to specify a list of possible domain names. Dell Networking OS searches the domain names in

Strany 370

ARPDell Networking OS uses two forms of address resolution: address resolution protocol (ARP) and Proxy ARP.ARP runs over Ethernet and enables endstat

Strany 371

Example of the show arp CommandThese entries do not age and can only be removed manually. To remove a static ARP entry, use the no arp ip-address comm

Strany 372

– For a 40-Gigabit Ethernet interface, enter the keyword fortyGigE then the slot/port information.NOTE: Transit traffic may not be forwarded during th

Strany 373

Figure 42. ARP Learning via ARP RequestBeginning with Dell Networking OS version 8.3.1.0, when you enable ARP learning via gratuitous ARP, the system

Strany 374

The range is from 1 to 20.• Set the exponential timer for resending unresolved ARPs.CONFIGURATION modearp backoff-timeThe default is 30.The range is f

Strany 375

UDP HelperUser datagram protocol (UDP) helper allows you to direct the forwarding IP/UDP broadcast traffic by creating special broadcast addresses and

Strany 376

Configuring a Broadcast AddressTo configure a broadcast address, use the following command.• Configure a broadcast address on an interface.ip udp-broa

Strany 377 - Interfaces

address to the configured broadcast 1.1.255.255 and routes the packet to VLANs 100 and 101. If you do not configure an IP broadcast address (using the

Strany 378 - Interface Types

Figure 45. UDP Helper with Subnet Broadcast AddressesUDP Helper with Configured Broadcast AddressesIncoming packets with a destination IP address matc

Strany 379

Accessing the Console PortTo access the console port, follow these steps:For the console port pinout, refer to Accessing the RJ-45 Console Port with a

Strany 380 - Physical Interfaces

• If the Incoming packet has a destination IP address that matches the subnet broadcast address of any interface, the unaltered packet is routed to th

Strany 381 - Overview of Layer Modes

21IPv6 RoutingInternet protocol version 6 (IPv6) routing is supported on the S6000 platform.NOTE: The IPv6 basic commands are supported on all platfor

Strany 382

NOTE: Dell Networking OS provides the flexibility to add prefixes on Router Advertisements (RA) to advertise responses to Router Solicitations (RS). B

Strany 383

• Partitioning will be applied well before the system initialization. This will be done using the NVRAM.• Dell Networking OS provides CLI for enabling

Strany 384

IPv6 Header FieldsThe 40 bytes of the IPv6 header are ordered, as shown in the following illustration.Figure 47. IPv6 Header FieldsVersion (4 bits)The

Strany 385 - Management Interfaces

The following lists the Next Header field values.Value Description0 Hop-by-Hop option header4 IPv46 TCP8 Exterior Gateway Protocol (EGP)41 IPv643 Rout

Strany 386 - VLAN Interfaces

However, if the Destination Address is a Hop-by-Hop options header, the Extension header is examined by every forwarding router along the packet’s rou

Strany 387 - Loopback Interfaces

of double colons is supported in a single address. Any number of consecutive 0000 groups may be reduced to two colons, as long as there is only one do

Strany 388 - Port Channel Interfaces

Implementing IPv6 with Dell Networking OSDell Networking OS supports both IPv4 and IPv6 and both may be used simultaneously in your system.The followi

Strany 389 - Port Channel Implementation

Feature and FunctionalityDocumentation and Chapter LocationS6000IS-IS for IPv6 8.3.11 Intermediate System to Intermediate SystemIPv6 IS-IS in the Dell

Strany 390 - Creating a Port Channel

• Characters within the string can be letters, digits, and hyphens.To create a host name, use the following command.• Create a host name.CONFIGURATION

Strany 391

Feature and FunctionalityDocumentation and Chapter LocationS6000(outbound SSH) Layer 3 onlySecure Shell (SSH) server support over IPv6 (inbound SSH) L

Strany 392

Figure 48. Path MTU Discovery ProcessIPv6 Neighbor DiscoveryIPv6 neighbor discovery protocol (NDP) is supported on the S6000 platform.NDP is a top-lev

Strany 393

Figure 49. NDP Router RedirectIPv6 Neighbor Discovery of MTU PacketsYou can set the MTU advertised through the RA packets to incoming routers, without

Strany 394

Example for Configuring an IPv6 Recursive DNS ServerThe following example configures a RDNNS server with an IPv6 address of 1000::1 and a lifetime of

Strany 395

Joined Group address(es): ff02::1 ff02::2 ff02::1:ff00:12 ff02::1:ff8b:7570 ND MTU is 0 ICMP redirects are not sent DAD is enabled, n

Strany 396 - Changing the Hash Algorithm

• Clearing IPv6 RoutesAdjusting Your CAM-ProfileThe cam-acl command is supported on the S6000 platform.Although adjusting your CAM-profile is not a ma

Strany 397 - Bulk Configuration

You can configure up to two IPv6 addresses on management interfaces, allowing required default router support on the management port that is acting as

Strany 398 - Bulk Configuration Examples

Configuring Telnet with IPv6IPv6 telnet is supported on the S6000 platform.The Telnet client and server in Dell Networking OS supports IPv6 connection

Strany 399 - Define the Interface Range

mroute IPv6 multicast-routing tableneighbors IPv6 neighbor informationospf OSPF informationpim PIM V6 informationprefix-list

Strany 400

ND base reachable time is 30000 millisecondsND retransmit interval is 1000 millisecondsND hop limit is 64Showing IPv6 RoutesTo view the global IPv6 ro

Strany 401 - Maintenance Using TDR

Configure a Management RouteDefine a path from the system to the network from which you are accessing the system remotely. Management routes are separ

Strany 402

C 912::/64 [0/0] Direct, Lo 2, 00:02:33O IA 999::1/128 [110/2] via fe80::201:e8ff:fe8b:3166, Te 0/24, 00:01:30L fe80::/10 [0/0] Dire

Strany 403

– ipv6 address: the format is x:x:x:x::x.– mask: the prefix length is from 0 to 128.NOTE: IPv6 addresses are normally written as eight groups of four

Strany 404 - Example Scenarios

22iSCSI OptimizationiSCSI optimization is supported on the S6000 platform.This chapter describes how to configure internet small computer system inter

Strany 405

• If you configure flow-control, iSCSI uses the current configuration. If you do not configure flow-control, iSCSI auto-configures flow control settin

Strany 406

Monitoring iSCSI Traffic FlowsThe switch snoops iSCSI session-establishment and termination packets by installing classifier rules that trap iSCSI pro

Strany 407

If more than 256 simultaneous sessions are logged continuously, the following message displays indicating the queue rate limit has been reached:%STKUN

Strany 408 - Link Dampening

Configuring Detection and Ports for Dell Compellent ArraysTo configure a port connected to a Dell Compellent storage array, use the following command.

Strany 409 - Clearing Dampening Counters

iSCSI optimization, which can turn on flow control again on reboot, use the no iscsi enable command and save the configuration.When you enable iSCSI o

Strany 410

Parameter Default ValueiSCSI session monitoring Disabled. The CAM allocation for iSCSI is set to zero (0).iSCSI Optimization PrerequisitesThe followin

Strany 411 - Enabling Pause Frames

5. Reload the switch.EXEC Privilege modereloadAfter the switch is reloaded, DCB/ DCBx and iSCSI monitoring are enabled.6. (Optional) Configure the iSC

Strany 412 - Table 29. Layer 2 Overhead

– level: is the privilege level, is 15 by default, and is not required– encryption-type: specifies how you are inputting the password, is 0 by default

Strany 413 - Port-Pipes

The range is from 5 to 43,200 minutes.The default is 10 minutes.9. (Optional) Configures DCBX to send iSCSI TLV advertisements.LLDP CONFIGURATION mode

Strany 414

3260860The following example shows the show iscsi session command.VLT PEER1Dell#show iscsi sessionSession 0:------------------------------------------

Strany 415 - Set Auto-Negotiation Options

23Intermediate System to Intermediate SystemIntermediate system to intermediate system (Is-IS) is supported on the S6000 platform.•• IS-IS is supporte

Strany 416

The NET length is variable, with a maximum of 20 bytes and a minimum of 8 bytes. It is composed of the following:• area address — within your routing

Strany 417

Transition ModeAll routers in the area or domain must use the same type of IPv6 support, either single-topology or multi-topology. A router operating

Strany 418 - Dynamic Counters

A new TLV (the Restart TLV) is introduced in the IIH PDUs, indicating that the router supports graceful restart.TimersThree timers are used to support

Strany 419

• Accepts external IPv6 information and advertises this information in the PDUs.The following table lists the default IS-IS values.Table 31. IS-IS Def

Strany 420

Enabling IS-ISBy default, IS-IS is not enabled.The system supports one instance of IS-IS. To enable IS-IS globally, create an IS-IS routing process an

Strany 421

The IP address must be on the same subnet as other IS-IS neighbors, but the IP address does not need to relate to the NET address.5. Enter an IPv6 Add

Strany 422

IS-IS: Level-2 Hellos (sent/rcvd) : 4272/1538 IS-IS: PTP Hellos (sent/rcvd) : 0/0 IS-IS: Level-1 LSPs sourced (new/refresh) : 0/0 IS-IS: Level-2

Strany 423 - IPv4 Routing

Example of Copying a File to an FTP ServerDell#copy flash://Dell-EF-8.2.1.0.bin ftp://myusername:[email protected]//Dell/Dell-EF-8.2.1.0!!!!!!!!!

Strany 424

Use this command for IPv6 route computation only when you enable multi-topology. If using single-topology mode, to apply to both IPv4 and IPv6 route c

Strany 425 - Configuring Static Routes

– level-1, level-2: identifies the database instance type to which the wait interval applies.The range is from 5 to 120 seconds.The default is 30 seco

Strany 426

To view all interfaces configured with IS-IS routing along with the defaults, use the show isis interface command in EXEC Privilege mode.Dell#show isi

Strany 427 - Messages

max-lsp-lifetime seconds– seconds: the range is from 1 to 65535.The default is 1200 seconds.Example of Viewing IS-IS Configuration (ROUTER ISIS Mode)T

Strany 428 - Resolution of Host Names

• Set the metric style for the IS-IS process.ROUTER ISIS modemetric-style {narrow [transition] | transition | wide [transition]} [level-1 | level-2]Th

Strany 429

The default level is level-1.For more information about this command, refer to Configuring the IS-IS Metric Style.The following table describes the co

Strany 430

Dell#show isis databaseIS-IS Level-1 Link State DatabaseLSPID LSP Seq Num LSP Checksum LSP Holdtime ATT/P/OLB233.00-00 0x00000003 0x

Strany 431 - Configuration Tasks for ARP

distribute-list prefix-list-name in [interface]– Enter the type of interface and slot/port information:– For a 1-Gigabit Ethernet interface, enter the

Strany 432 - Clearing ARP Cache

– For a VLAN, enter the keyword vlan then a number from 1 to 4094.• Apply a configured prefix list to all outgoing IPv6 IS-IS routes.ROUTER ISIS-AF IP

Strany 433 - ARP Learning via ARP Request

– process-id the range is from 1 to 65535.– level-1, level-1-2, or level-2: assign all redistributed routes to a level. The default is level-2.– metri

Strany 434 - Configuring ARP Retries

Configure the Overload Bit for a Startup ScenarioFor information about setting the router overload bit for a specific period of time after a switch re

Strany 435 - Configuration Tasks for ICMP

Configuring Authentication PasswordsYou can assign an authentication password for routers in Level 1 and for routers in Level 2.Because Level 1 and Le

Strany 436 - Enabling UDP Helper

Example of Viewing the Overload Bit SettingWhen the bit is set, a 1 is placed in the OL column in the show isis database command output. The overload

Strany 437

– interface: Enter the type of interface and slot/port information to view IS-IS information on that interface only.• View the events that triggered I

Strany 438

Metric Style Correct Value Range for the isis metric Commandwide transition 0 to 16777215narrow transition 0 to 63transition 0 to 63Maximum Values in

Strany 439

Beginning Metric Style Final Metric Style Resulting IS-IS Metric Valuetransition narrow original valuetransition narrow original valuetransition wide

Strany 440 - Troubleshooting UDP Helper

Leaks from One Level to AnotherIn the following scenarios, each IS-IS level is configured with a different metric style.Table 35. Metric Value with Di

Strany 441 - IPv6 Routing

NOTE: Whenever you make IS-IS configuration changes, clear the IS-IS process (re-started) using the clear isis command. The clear isis command must in

Strany 442 - IPv6 Headers

ipv6 address 24:3::1/76ip router isisipv6 router isisno shutdownDell (conf-if-te-3/17)#Dell (conf-router_isis)#show config!router isismetric-style wid

Strany 443

24Link Aggregation Control Protocol (LACP)Link aggregation control protocol (LACP) is supported on the S6000 platform.Introduction to Dynamic LAGs and

Strany 444 - IPv6 Header Fields

• There is a difference between the shutdown and no interface port-channel commands:– The shutdown command on LAG “xyz” disables the LAG and retains t

Strany 445 - Extension Header Fields

The Port-Authentication Process...76EAP over RADIU

Strany 446 - Addressing

View Configuration FilesConfiguration files have three commented lines at the beginning of the file, as shown in the following example, to help you tr

Strany 447 - Static and Dynamic Addressing

• Configure LACP mode.LACP mode[no] port-channel number mode [active | passive | off]– number: cannot statically contain any links.The default is LACP

Strany 448

Configuring the LAG Interfaces as DynamicAfter creating a LAG, configure the dynamic LAG interfaces.To configure the dynamic LAG interfaces, use the f

Strany 449

Dell(conf-if-po-32)#switchportDell(conf-if-po-32)#lacp long-timeoutDell(conf-if-po-32)#endDell# show lacp 32Port-channel 32 admin up, oper up, mode la

Strany 450 - Path MTU Discovery

Figure 53. Shared LAG State TrackingTo avoid packet loss, redirect traffic through the next lowest-cost link (R3 to R4). Dell Networking OS has the ab

Strany 451 - IPv6 Neighbor Discovery

As shown in the following illustration, LAGs 1 and 2 are members of a failover group. LAG 1 fails and LAG 2 is brought down after the failure. This ef

Strany 452

• If a LAG that is part of a failover group is deleted, the failover group is deleted.• If a LAG moves to the Down state due to this feature, its memb

Strany 453

ARP type: ARPA, ARP Timeout 04:00:00Last clearing of "show interface" counters 00:02:11Queueing strategy: fifoInput statistics: 132 pack

Strany 454 - Configuration Tasks for IPv6

Figure 57. Inspecting Configuration of LAG 10 on ALPHALink Aggregation Control Protocol (LACP)507

Strany 455 - Adjusting Your CAM-Profile

Figure 58. Verifying LAG 10 Status on ALPHA Using the show lacp CommandSummary of the LAG Configuration on AlphaAlpha(conf-if-po-10)#int gig 2/31Alpha

Strany 456 - Assigning a Static IPv6 Route

interface GigabitEthernet 2/31no ip addressSummary of the LAG Configuration on BravoBravo(conf-if-gi-3/21)#int port-channel 10Bravo(conf-if-po-10)#no

Strany 457 - Showing IPv6 Information

- - - network rw tftp: - - - network rw scp:You can change the default file system so that file manag

Strany 458 - Showing an IPv6 Interface

Figure 59. Inspecting a LAG Port on BRAVO Using the show interface Command510Link Aggregation Control Protocol (LACP)

Strany 459 - Showing IPv6 Routes

Figure 60. Inspecting LAG 10 Using the show interfaces port-channel CommandLink Aggregation Control Protocol (LACP)511

Strany 460 - Clearing IPv6 Routes

Figure 61. Inspecting the LAG Status Using the show lacp commandThe point-to-point protocol (PPP) is a connection-oriented protocol that enables layer

Strany 461

25Layer 2Layer 2 features are supported on the S6000 platform.Manage the MAC Address TableDell Networking OS provides the following management activit

Strany 462

The range is from 10 to 1000000.Configuring a Static MAC AddressA static entry is one that is not subject to aging. Enter static entries manually.To c

Strany 463

interface) before the system verifies that sufficient CAM space exists. If the CAM check fails, a message is displayed:%E90MH:5 %ACL_AGENT-2-ACL_AGENT

Strany 464

mac learning-limit mac-address-stickyUsing sticky MAC addresses allows you to associate a specific port with MAC addresses from trusted devices. If yo

Strany 465

no ip address switchport mac learning-limit 1 dynamic no-station-move mac learning-limit station-move-violation log no shutdownLearning Limit Vi

Strany 466

Recovering from Learning Limit and Station Move ViolationsAfter a learning-limit or station-move violation shuts down an interface, you must manually

Strany 467

When you use NIC teaming, consider that the server MAC address is originally learned on Port 0/1 of the switch (shown in the following) and Port 0/5 i

Strany 468

Using Hashes to Validate Software ImagesYou can use the MD5 message-digest algorithm or SHA256 Secure Hash Algorithm to validate the software image on

Strany 469

Apply all other configurations to each interface in the redundant pair such that their configurations are identical, so that transition to the backup

Strany 470

LACP) port-channel interface as either the primary or backup link in a redundant pair with a physical interface.To ensure that existing network applic

Strany 471

inactive: Vl 100:24:55: %RPM0-P:CP %IFMGR-5-OSTATE_UP: Changed interface state to up: Gi 3/4200:24:55: %RPM0-P:CP %IFMGR-5-ACTIVE: Changed Vlan interf

Strany 472 - IS-IS Addressing

Figure 65. Configuring Far-End Failure DetectionThe report consists of several packets in SNAP format that are sent to the nearest known MAC address.I

Strany 473 - Multi-Topology IS-IS

4. If the FEFD enabled system is configured to use FEFD in Normal mode and neighboring echoes are not received after three intervals, (you can set eac

Strany 474 - Graceful Restart

To report interval frequency and mode adjustments, use the following commands.1. Setup two or more connected interfaces for Layer 2 or Layer 3.INTERFA

Strany 475

To set up and activate two or more connected interfaces, use the following commands.1. Setup two or more connected interfaces for Layer 2 or Layer 3.I

Strany 476

Sender state -- Bi-directional Sender info -- Mgmt Mac(00:01:e8:14:89:25), Slot-Port(Gi 1/0) Peer info -- Mgmt Mac (00:01:e8:14:89:25), Slot-Po

Strany 477 - Enabling IS-IS

26Link Layer Discovery Protocol (LLDP)The link layer discovery protocol (LLDP) is supported on the S6000 platform.802.1AB (LLDP) OverviewLLDP — define

Strany 478

Table 37. Type, Length, Value (TLV) TypesType TLV Description0 End of LLDPDU Marks the end of an LLDPDU.1 Chassis ID An administratively assigned name

Strany 479

SHA256Dell# verify sha256 flash://FTOS-SE-9.5.0.0.binSHA256 hash for FTOS-SE-9.5.0.0.bin: e6328c06faf814e6899ceead219afbf9360e986d692988023b749e6b2093

Strany 480

Figure 68. Organizationally Specific TLVIEEE Organizationally Specific TLVsEight TLV types have been defined by the IEEE 802.1 and 802.3 working group

Strany 481

Type TLV Description127 Protocol Identity Indicates the protocols that the port can process. Dell Networking OS does not currently support this TLV.IE

Strany 482 - Changing LSP Attributes

Regarding connected endpoint devices, LLDP-MED provides network connectivity devices with the ability to:• manage inventory• manage Power over Etherne

Strany 483 - Table 32. Metric Styles

Type SubType TLV DescriptionNone or all TLVs must be supported. Dell Networking OS does not currently support these TLVs.127 5 Inventory — Hardware Re

Strany 484 - Configuring the IS-IS Cost

Figure 69. LLDP-MED Capabilities TLVTable 40. Dell Networking OS LLDP-MED CapabilitiesBit Position TLV Dell Networking OS Support0 LLDP-MED Capabiliti

Strany 485 - Changing the IS-Type

NOTE: As shown in the following table, signaling is a series of control packets that are exchanged between an endpoint device and a network connectivi

Strany 486 - Applying IPv4 Routes

Extended Power via MDI TLVThe extended power via MDI TLV enables advanced PoE management between LLDP-MED endpoints and network connectivity devices.A

Strany 487 - Applying IPv6 Routes

Important Points to Remember• LLDP is enabled by default.• Dell Networking systems support up to eight neighbors per interface.• Dell Networking syste

Strany 488 - Redistributing IPv4 Routes

Enabling LLDPLLDP is enabled by default. Enable and disable LLDP globally or per interface. If you enable LLDP globally, all UP interfaces send period

Strany 489 - Redistributing IPv6 Routes

3. Enter the disable command.LLDP-MANAGEMENT-INTERFACE mode.To undo an LLDP management port configuration, precede the relevant command with the keywo

Strany 490 - Setting the Overload Bit

4ManagementManagement is supported on the S6000 platform.This chapter describes the different protocols or services used to manage the Dell Networking

Strany 491 - Debugging IS-IS

Figure 72. Configuring LLDPViewing the LLDP ConfigurationTo view the LLDP configuration, use the following command.• Display the LLDP configuration.CO

Strany 492 - Configure Metric Values

Viewing Information Advertised by Adjacent LLDP AgentsTo view brief information about adjacent devices or to view all the information that neighbors a

Strany 493

Configuring LLDPDU IntervalsLLDPDUs are transmitted periodically; the default interval is 30 seconds.To configure LLDPDU intervals, use the following

Strany 494

• Return to the default setting.CONFIGURATION mode or INTERFACE modeno modeExample of Configuring a Single ModeR1(conf)#protocol lldpR1(conf-lldp)#sho

Strany 495

advertise dot1-tlv port-protocol-vlan-id port-vlan-id advertise dot3-tlv max-frame-size advertise management-tlv system-capabilities system-descri

Strany 496

Figure 73. The debug lldp detail Command — LLDPDU Packet DissectionRelevant Management ObjectsDell Networking OS supports all IEEE 802.1AB MIB objects

Strany 497

MIB Object CategoryLLDP Variable LLDP MIB Object DescriptionmsgTxInterval lldpMessageTxInterval Transmit Interval value.rxInfoTTL lldpRxInfoTTL Time t

Strany 498

Table 44. LLDP System MIB ObjectsTLV Type TLV Name TLV Variable System LLDP MIB Object1 Chassis ID chassis ID subtype Local lldpLocChassisIdSubtypeRem

Strany 499 - Configuring LACP Commands

TLV Type TLV Name TLV Variable System LLDP MIB Objectinterface numbering subtypeLocal lldpLocManAddrIfSubtypeRemote lldpRemManAddrIfSubtypeinterface n

Strany 500 - LACP Configuration Tasks

Table 46. LLDP-MED System MIB ObjectsTLV Sub-Type TLV Name TLV Variable System LLDP-MED MIB Object1 LLDP-MED CapabilitiesLLDP-MED CapabilitiesLocallld

Strany 501 - Setting the LACP Long Timeout

Allowing Access to CONFIGURATION Mode CommandsTo allow access to CONFIGURATION mode, use the privilege exec level level configure command from CONFIGU

Strany 502 - Shared LAG State Tracking

TLV Sub-Type TLV Name TLV Variable System LLDP-MED MIB Object3 Location Identifier Location Data FormatLocal lldpXMedLocLocationSubtypeRemote lldpXMed

Strany 503

27Microsoft Network Load BalancingThis functionality is supported on the S6000 platform.Network Load Balancing (NLB) is a clustering functionality tha

Strany 504

• With NLB feature enabled, after learning the NLB ARP entry, all the subsequent traffic is flooded on all ports in VLAN1.With NLB, the data frame is

Strany 505 - Configure a LAG on ALPHA

flooded out of all member ports. Since all the servers in the cluster receive traffic, failover and balancing are preserved.Enable and Disable VLAN Fl

Strany 506

28Multicast Source Discovery Protocol (MSDP)Multicast source discovery protocol (MSDP) is supported on the S6000 platform.Protocol OverviewMSDP is a L

Strany 507

Figure 74. Multicast Source Discovery Protocol (MSDP)RPs advertise each (S,G) in its domain in type, length, value (TLV) format. The total number of T

Strany 508

Anycast RPUsing MSDP, anycast RP provides load sharing and redundancy in PIM-SM networks. Anycast RP allows two or more rendezvous points (RPs) to sha

Strany 509

• Accept Source-Active Messages that Fail the RFP Check• Specifying Source-Active Messages• Limiting the Source-Active Cache• Preventing MSDP from Cac

Strany 510

Figure 77. Configuring OSPF and BGP for MSDP558Multicast Source Discovery Protocol (MSDP)

Strany 511

Figure 78. Configuring PIM in Multiple Routing DomainsMulticast Source Discovery Protocol (MSDP)559

Strany 512

• Allow access to a CONFIGURATION, INTERFACE, LINE, ROUTE-MAP, and/or ROUTER mode command.CONFIGURATION modeprivilege {configure |interface | line | r

Strany 513 - Manage the MAC Address Table

Figure 79. Configuring MSDPEnable MSDPEnable MSDP by peering RPs in different administrative domains.1. Enable MSDP.CONFIGURATION modeip multicast-msd

Strany 514 - MAC Learning Limit

Examples of Configuring and Viewing MSDP R3_E600(conf)#ip multicast-msdp R3_E600(conf)#ip msdp peer 192.168.0.1 connect-source Loopback 0 R3_

Strany 515

Limiting the Source-Active CacheSet the upper limit of the number of active sources that the Dell Networking OS caches.The default active source limit

Strany 516

Figure 80. MSDP Default Peer, Scenario 1Multicast Source Discovery Protocol (MSDP)563

Strany 517

Figure 81. MSDP Default Peer, Scenario 2564Multicast Source Discovery Protocol (MSDP)

Strany 518 - NIC Teaming

Figure 82. MSDP Default Peer, Scenario 3Multicast Source Discovery Protocol (MSDP)565

Strany 519 - Configure Redundant Pairs

Figure 83. MSDP Default Peer, Scenario 4Specifying Source-Active MessagesTo specify messages, use the following command.• Specify the forwarding-peer

Strany 520

Dell(conf)#ip access-list standard fiftyDell(conf)#seq 5 permit host 200.0.0.50Dell#ip msdp sa-cacheMSDP Source-Active Cache - 3 entriesGroupAddr So

Strany 521

Example of Verifying the System is not Caching Local SourcesWhen you apply this filter, the SA cache is not affected immediately. When sources that ar

Strany 522 - Far-End Failure Detection

R3_E600(conf)#do show ip msdp sa-cacheR3_E600(conf)#R3_E600(conf)#do show ip msdp peerPeer Addr: 192.168.0.1 Local Addr: 0.0.0.0(639) Connect Sourc

Strany 523 - FEFD State Changes

aux Auxiliary lineconsole Primary terminal linevty Virtual terminalDell(conf)#line vty 0Dell(config-line-v

Strany 524 - Configuring FEFD

Logging Changes in Peership StatesTo log changes in peership states, use the following command.• Log peership state changes.CONFIGURATION modeip msdp

Strany 525 - Enabling FEFD on an Interface

Example of the clear ip msdp peer Command and Verifying Statistics are ClearedR3_E600(conf)#do show ip msdp peerPeer Addr: 192.168.0.1 Local Addr:

Strany 526 - Debugging FEFD

technique is less effective as traffic increases because preemptive load balancing requires prior knowledge of traffic distributions.• lack of scalabl

Strany 527 - An RPM Failover

Configuring Anycast RPTo configure anycast RP, use the following commands.1. In each routing domain that has multiple RPs serving a group, create a Lo

Strany 528 - 802.1AB (LLDP) Overview

CONFIGURATION modeip msdp originator-idExamples of R1, R2, and R3 Configuration for MSDP with Anycast RPThe following example shows an R1 configuratio

Strany 529 - Optional TLVs

no shutdown!interface Loopback 0 ip pim sparse-mode ip address 192.168.0.1/32 no shutdown!interface Loopback 1 ip address 192.168.0.22/32 no sh

Strany 530 - Table 38. Optional TLV Types

neighbor 192.168.0.22 remote-as 100 neighbor 192.168.0.22 ebgp-multihop 255 neighbor 192.168.0.22 update-source Loopback 0 neighbor 192.168.0.22

Strany 531 - TIA-1057 (LLDP-MED) Overview

interface GigabitEthernet 2/1 ip pim sparse-mode ip address 10.11.4.1/24 no shutdown!interface GigabitEthernet 2/11 ip pim sparse-mode ip address

Strany 532

redistribute connected redistribute bgp 200!router bgp 200 redistribute ospf 1 neighbor 192.168.0.2 remote-as 100 neighbor 192.168.0.2 ebgp-mult

Strany 533 - LLDP-MED Capabilities TLV

29Multiple Spanning Tree Protocol (MSTP)Multiple spanning tree protocol (MSTP) is supported on the S6000 platform.Protocol OverviewMSTP — specified in

Strany 534 - LLDP-MED Network Policies TLV

• Disable logging to terminal lines.CONFIGURATION modeno logging monitor• Disable console logging.CONFIGURATION modeno logging consoleAudit and Securi

Strany 535

Spanning Tree VariationsThe Dell Networking OS supports four variations of spanning tree, as shown in the following table.Table 47. Spanning Tree Vari

Strany 536 - Configure LLDP

• Enabling SNMP Traps for Root Elections and Topology Changes• Configuring Spanning Trees as HitlessEnable Multiple Spanning Tree GloballyMSTP is not

Strany 537 - LLDP Compatibility

Specify the keyword vlan then the VLANs that you want to participate in the MSTI.Examples of Configuring and Viewing MSTIThe following examples shows

Strany 538 - Enabling LLDP

Influencing MSTP Root SelectionMSTP determines the root bridge, but you can assign one bridge a lower priority to increase the probability that it bec

Strany 539 - Advertising TLVs

NOTE: Some non-Dell Networking OS equipment may implement a non-null default region name. SFTOS, for example, uses the Bridge ID, while others may use

Strany 540 - Figure 72. Configuring LLDP

The default is 15 seconds.2. Change the hello-time parameter.PROTOCOL MSTP modehello-time secondsNOTE: With large configurations (especially those con

Strany 541

• Port priority influences the likelihood that a port is selected to be a forwarding port in case that several ports have the same port cost.The follo

Strany 542 - Configuring LLDPDU Intervals

• Enable EdgePort on an interface.INTERFACE modespanning-tree mstp edge-port [bpduguard | shutdown-on-violation]Dell Networking OS Behavior: Regarding

Strany 543 - Configuring a Time to Live

Figure 86. MSTP with Three VLANs Mapped to Two Spanning Tree InstancesRouter 1 Running-ConfigurationThis example uses the following steps:1. Enable MS

Strany 544 - Debugging LLDP

no shutdown!interface Vlan 300 no ip address tagged GigabitEthernet 1/21,31 no shutdownRouter 2 Running-ConfigurationThis example uses the follow

Strany 545 - Relevant Management Objects

When you enabled RBAC and extended logging:• Only the system administrator user role can execute this command.• The system administrator and system se

Strany 546

name Tahiti revision 123 MSTI 1 VLAN 100 MSTI 2 VLAN 200,300!(Step 2)interface GigabitEthernet 3/11 no ip address switchport no shutdown!inter

Strany 547

(Step 3)interface vlan 100 tagged 1/0/31 tagged 1/0/32exitinterface vlan 200 tagged 1/0/31 tagged 1/0/32exitinterface vlan 300 tagged 1/0/31 tag

Strany 548

– Are there “extra” MSTP instances in the Sending or Received logs? This may mean that an additional MSTP instance was configured on one router but no

Strany 549

INST 2: Flags: 0x70, Reg Root: 32768:0001.e8d5.cbbd, Int Root Cost Brg/Port Prio: 32768/128, Rem Hops: 20Multiple Spanning Tree Protocol (MSTP)593

Strany 550

30Multicast FeaturesMulticast features are supported on the S6000 platform.NOTE: Multicast is supported on secondary IP addresses on the platform.NOTE

Strany 551 - NLB Unicast Mode Scenario

Figure 87. Multicast with ECMPImplementation InformationBecause protocol control traffic in Dell Networking OS is redirected using the MAC address, an

Strany 552 - NLB Multicast Mode Scenario

Protocol Ethernet AddressPIM-SM 01:00:5e:00:00:0d• The Dell Networking OS implementation of MTRACE is in accordance with IETF draft draft-fenner-trace

Strany 553 - Configuring a Switch for NLB

• If the limit is decreased after it is reached, Dell Networking OS does not clear the existing sessions. Entries are cleared after a timeout (you may

Strany 554

no access list limiting Receiver 1, so both IGMP reports are accepted, and two corresponding entries are created in the routing table.Figure 88. Preve

Strany 555

Location Description• no shutdown1/31• Interface GigabitEthernet 1/31• ip pim sparse-mode• ip address 10.11.13.1/24• no shutdown2/1• Interface Gigabit

Strany 556 - Anycast RP

IP Prefix Lists...1

Strany 557

The following describes the two log messages formats:• 0 – Displays syslog messages format as described in RFC 3164, The BSD syslog Protocol• 1 – Disp

Strany 558

Location Description• ip igmp access-group igmpjoinfilR2G2• no shutdownRate Limiting IGMP Join RequestsIf you expect a burst of IGMP Joins, protect th

Strany 559

specified rate. The keyword infinity directs PIM to never switch to the SPT.Default: 10 kbpsIPv6 Configure PIM to switch over to the SPT when the mult

Strany 560 - Enable MSDP

Figure 89. Preventing a Source from Transmitting to a GroupTable 51. Preventing a Source from Transmitting to a Group — DescriptionLocation Descriptio

Strany 561

Location Description• no shutdown2/1• Interface GigabitEthernet 2/1• ip pim sparse-mode• ip address 10.11.1.1/24• no shutdown2/11• Interface GigabitEt

Strany 562

Preventing a PIM Router from Processing a JoinTo permit or deny PIM Join/Prune messages on an interface using an extended IP access list, use the foll

Strany 563

31Open Shortest Path First (OSPFv2 and OSPFv3)Open shortest path first (OSPFv2 for IPv4) and OSPF version 3 (OSPF for IPv6) are supported on the S6000

Strany 564

Areas allow you to further organize your routers within in the AS. One or more areas are required within the AS. Areas are valuable in that they allow

Strany 565

The backbone is the only area with a default area number. All other areas can have their Area ID assigned in the configuration.In the previous example

Strany 566

Figure 91. OSPF Routing ExamplesBackbone Router (BR)A backbone router (BR) is part of the OSPF Backbone, Area 0.This includes all ABRs. It can also in

Strany 567

An ABR can connect to many areas in an AS, and is considered a member of each area it connects to.Autonomous System Border Router (ASBR)The autonomous

Strany 568

2. On the syslog server, create a reverse SSH tunnel from the syslog server to FTOS switch, using following syntax: ssh -R <remote port>:<sys

Strany 569

available. An ABR floods the information for the router (for example, the ASBR where the Type 5 advertisement originated. The link-state ID for Type 4

Strany 570 - Clearing Peer Statistics

Router Priority and CostRouter priority and cost is the method the system uses to “rate” the routers.For example, if not assigned, the system selects

Strany 571 - MSDP with Anycast RP

Dell Networking OS supports stub areas, totally stub (no summary) and not so stubby areas (NSSAs) and supports the following LSAs, as described earlie

Strany 572

OSPFv2 supports helper-only and restarting-only roles. By default, both helper and restarting roles are enabled. OSPFv2 supports the helper-reject rol

Strany 573 - Configuring Anycast RP

example, if you create five OSPFv2 processes on a system, there must be at least five interfaces assigned in Layer 3 mode.Each OSPFv2 process is indep

Strany 574

LSType:Type-5 AS External(5) Age:1 Seq:0x8000000c id:170.1.2.0 Adv:6.1.0.0 Netmask:255.255.255.0 fwd:0.0.0.0 E2, tos:0 metric:0To confirm

Strany 575

Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 1.1.1.1 (Backup Designated Router)Dell (conf-if-gi-2/2)#Configuration Info

Strany 576 - MSDP Sample Configurations

If implementing multi-process OSPF, create an equal number of Layer 3 enabled interfaces and OSPF process IDs. For example, if you create four OSPFv2

Strany 577

• Reset the OSPFv2 process.EXEC Privilege modeclear ip ospf process-id• View the current OSPFv2 status.EXEC modeshow ip ospf process-idExample of View

Strany 578

If you try to enable more OSPF processes than available Layer 3 interfaces, the following message displays:C300(conf)#router ospf 1% Error: No router

Strany 579

Sending System Messages to a Syslog ServerTo send system messages to a specified syslog server, use the following command. The following syslog standa

Strany 580 - Spanning Tree Variations

Dell(conf)#router ospf 1Dell(conf-router_ospf-1)#network 1.2.3.4/24 area 0Dell(conf-router_ospf-1)#network 10.10.10.10/24 area 1Dell(conf-router_ospf-

Strany 581

Loopback 0 is up, line protocol is up Internet Address 10.168.253.2/32, Area 0.0.0.1 Process ID 1, Router ID 10.168.253.2, Network Type LOOPBACK, Co

Strany 582

Enabling Passive InterfacesA passive interface is one that does not send or receive routing information.Enabling passive interface suppresses routing

Strany 583

GigabitEthernet 0/1 is up, line protocol is down Internet Address 10.1.3.100/24, Area 2.2.2.2 Process ID 34, Router ID 10.1.2.100, Network Type BROA

Strany 584 - Modifying Global Parameters

The following examples shows how to disable fast-convergence.Dell#(conf-router_ospf-1)#no fast-convergeDell#(conf-router_ospf-1)#exDell#(conf)#exDell#

Strany 585

NOTE: Be sure to write down or otherwise record the key. You cannot learn the key after it is configured. You must be careful when changing this key.N

Strany 586 - Configuring an EdgePort

Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:06 Neighbor Count is 0, Adjacent neighbor count is 0Dell

Strany 587 - MSTP Sample Configurations

graceful-restart grace-period secondsThe seconds range is from 40 and 3000.This setting is the time that an OSPFv2 router’s neighbors advertises it as

Strany 588

graceful-restart grace-period 300 graceful-restart role helper-only graceful-restart mode unplanned-only graceful-restart helper-reject 10.1.1.1

Strany 589

• Specify which routes are redistributed into OSPF process.CONFIG-ROUTEROSPF-id moderedistribute {bgp | connected | isis | rip | static} [metric metri

Strany 590

• Specify the minimum severity level for logging to the syslog history table.CONFIGURATION modelogging history level• Specify the size of the logging

Strany 591

• View the summary of all OSPF process IDs enables on the router.EXEC Privilege modeshow running-config ospf• View the summary information of the IP r

Strany 592

!router ospf 90 area 2 virtual-link 4.4.4.4 area 2 virtual-link 90.90.90.90 retransmit-interval 300!ipv6 router ospf 999 default-information origin

Strany 593

interface Loopback 10 ip address 192.168.100.100/24 no shutdownOSPF Area 0 — Gl 3/1 and 3/2router ospf 33333 network 192.168.100.0/24 area 0 netwo

Strany 594 - Multicast Features

NOTE: The OSPFv2 network area command enables OSPF on multiple interfaces with the single command. Use the OSPFv3 ipv6 ospf area command on each inter

Strany 595

ipv6 ospf process-id area area-id– process-id: the process ID number assigned.– area-id: the area ID for this interface.Assigning OSPFv3 Process ID an

Strany 596 - Multicast Policies

• Specify whether some or all some of the interfaces are passive.CONF-IPV6-ROUTER-OSPF modepassive-interface {type slot/port}Interface: identifies the

Strany 597

default-information originate [always [metric metric-value] [metric-type type-value]] [route-map map-name]Configure the following required and optiona

Strany 598

– Unplanned-only: the OSPFv3 router supports graceful-restart only for unplanned restarts. During an unplanned restart, OSPFv3 sends out a Grace LSA o

Strany 599

AS Bdr Rtr Status 1AS Scope LSA Count 0AS Scope LSA Cksum sum 0Originate New LSAS 73Rx New LSAS 114085Ext LSA Count

Strany 600

To ensure integrity, data origin authentication, detection and rejection of replays, and confidentiality of the packet, RFC 4302 and RFC 4303 propose

Strany 601

%CHMGR-5-CHECKIN: Checkin from line card 5 (type EX1YB, 1 ports)%TSM-6-PORT_CONFIG: Port link status for LC 5 => portpipe 0: OK portpipe 1: N/A%CHM

Strany 602

• In an OSPFv3 encryption policy:– Both encryption and authentication are used.– IPsec security associations (SAs) are supported only in Transport mod

Strany 603

no ipv6 ospf authentication ipsec spi number• Remove null authentication on an interface to allow the interface to inherit the authentication policy c

Strany 604

no ipv6 ospf encryption null• Display the configuration of IPsec encryption policies on the router.show crypto ipsec policy• Display the security asso

Strany 605

NOTE: When you configure encryption using the area encryption command, you enable both IPsec encryption and authentication. However, when you enable a

Strany 606 - Area Types

– name: displays configuration details about a specified policy.• Display security associations set up for OSPFv3 links in IPsec authentication and en

Strany 607 - Router Types

bbdd96e6eb4828e2e27bc3f9ff541e43faa759c9ef5706ba10345a1039ba8f8aTransform set : esp-128-aes esp-sha1-hmacThe following example shows the sho

Strany 608 - Area Border Router (ABR)

• Did you configure the interfaces for Layer 3 correctly?• Is the router in the correct area type?• Did you include the routes in the OSPF database?•

Strany 609 - Internal Router (IR)

32Policy-based Routing (PBR)Policy-based Routing (PBR) allows a switch to make routing decisions based on policies applied to an interface.This chapte

Strany 610 - LSA Throttling

To enable a PBR, you create a redirect list. Redirect lists are defined by rules, or routing policies. The following parameters can be defined in the

Strany 611 - OSPF with Dell Networking OS

Implementing Policy-based Routing with Dell Networking OS• Non-contiguous bitmasks for PBR• Hot-Lock PBRNon-contiguous bitmasks for PBRNon-contiguous

Strany 612

Example of the show running-config logging CommandTo view nondefault settings, use the show running-config logging command in EXEC mode.Dell#show runn

Strany 613

The following example creates a redirect list by the name of “xyz.”Dell(conf)#ip redirect-list ?WORD Redirect-list name (max 16 chars) Dell(co

Strany 614

Dell(conf-redirect-list)#redirect 3.3.3.3 ?<0-255> An IP protocol number icmp

Strany 615 - OSPF ACK Packing

PBR Exceptions (Permit)Use the command permit to create an exception to a redirect list. Exceptions are used when a forwarding decision should be base

Strany 616

Applying a Redirect-list to an Interface Example:Dell(conf-if-te-2/0)#ip redirect-group xyz Dell(conf-if-te-2/0)#Applying a Redirect-list to an Interf

Strany 617 - Assigning a Router ID

NOTE: If, the redirect-list is applied to an interface, the output of show ip redirect-list redirect-list-name command displays reachability and ARP s

Strany 618

Create the Redirect-List GOLDEDGE_ROUTER(conf-if-Te-2/23)#ip redirect-list GOLDEDGE_ROUTER(conf-redirect-list)#description Route GOLD traffic to ISP_G

Strany 619 - Enable OSPFv2 on Interfaces

View Redirect-List GOLDEDGE_ROUTER#show ip redirect-listIP redirect-list GOLD: Defined as: seq 5 redirect 10.99.99.254 ip 192.168.1.0/24 any, Next-ho

Strany 620

33PIM Sparse-Mode (PIM-SM)Protocol-independent multicast sparse-mode (PIM-SM) is supported on the S6000 platform.PIM-SM is a multicast protocol that f

Strany 621 - Configuring Stub Areas

3. If a host on the same subnet as another multicast receiver sends an IGMP report for the same multicast group, the gateway takes no action. If a rou

Strany 622 - Enabling Passive Interfaces

Configuring PIM-SMConfiguring PIM-SM is a three-step process.1. Enable multicast routing (refer to the following step).2. Select a rendezvous point.3.

Strany 623 - Enabling Fast-Convergence

CONFIGURATION modeservice timestamps [log | debug] [datetime [localtime] [msec] [show-timezone] | uptime]Specify the following optional parameters:– Y

Strany 624

To display PIM neighbors for each interface, use the show ip pim neighbor command EXEC Privilege mode.Dell#show ip pim neighborNeighbor Interface

Strany 625

ip access-list extended access-list-name3. Specify the source and group to which the timer is applied using extended ACLs with permit rules only.CONFI

Strany 626

Dell#sh run pim!ip pim rp-address 1.1.1.1 group-address 224.0.0.0/4Overriding Bootstrap Router UpdatesPIM-SM routers must know the address of the RP f

Strany 627

Creating Multicast Boundaries and DomainsA PIM domain is a contiguous set of routers that all implement PIM and are configured to operate within a com

Strany 628 - Applying Prefix Lists

34PIM Source-Specific Mode (PIM-SSM)PIM source-specific mode (PIM-SSM) is supported on the S6000 platform.PIM-SSM is a multicast protocol that forward

Strany 629 - Troubleshooting OSPFv2

Configure PIM-SMMConfiguring PIM-SSM is a two-step process.1. Configure PIM-SMM.2. Enable PIM-SSM for a range of addresses.Related Configuration Tasks

Strany 630

• When you remove the mapping configuration, Dell Networking OS removes the corresponding (S,G) states that it created and re-establishes the original

Strany 631 - OSPF Area 0 — Gl 1/1 and 1/2

Interface Vlan 400Group 239.0.0.1Uptime 00:00:05Expires NeverRouter mode INCLUDELas

Strany 632 - OSPF Area 0 — Gl 2/1 and 2/2

35Port MonitoringPort monitoring is supported on the S6000 platform.Mirroring is used for monitoring Ingress or Egress or both Ingress and Egress traf

Strany 633 - Enabling IPv6 Unicast Routing

Port MonitoringThe S6000 supports multiple source-destination statements in a single monitor session.The maximum number of source ports that can be su

Strany 634 - Configuring Passive-Interface

CONFIGURATION modeftp-server enableExample of Viewing FTP ConfigurationDell#show running ftp!ftp-server enableftp-server username nairobi password 0 z

Strany 635 - Configuring a Default Route

Example of Viewing a Monitoring SessionIn the example below, 0/25 and 0/26 belong to Port-pipe 1. This port-pipe has the same restriction of only four

Strany 636

show interface2. Create a monitoring session using the command monitor session from CONFIGURATION mode, as shown in the following example.CONFIGURATIO

Strany 637 - Displaying Graceful Restart

Figure 95. Port Monitoring ExampleEnabling Flow-Based MonitoringFlow-based monitoring is supported only on the S-Series platform.Flow-based monitoring

Strany 638

Example of the flow-based enable CommandTo view an access-list that you applied to an interface, use the show ip accounting access-list command from E

Strany 639

source session uses a separate reserved VLAN to transmit mirrored packets (mirrored source-session traffic is shown with an orange or green circle wit

Strany 640

• Mirrored traffic is transported across the network using 802.1Q-in-802.1Q tunneling. The source address, destination address and original VLAN ID of

Strany 641

RestrictionsWhen you configure remote port mirroring, the following restrictions apply:• You can configure the same source port to be used in multiple

Strany 642

destination switches), and a destination session (destination ports connected to analyzers on destination switches).Configuration Steps for RPMStep Co

Strany 643

Dell(conf)#inte te 0/30Dell(conf-if-te-0/30)#no shutdownDell(conf-if-te-0/30)#switchportDell(conf-if-te-0/30)#exitDell(conf)#interface vlan 30Dell(con

Strany 644

Dell(conf)#monitor session 1 type rpmDell(conf-mon-sess-1)#source remote-vlan 10 dest te 0/3Dell(conf-mon-sess-1)#exitDell(conf)#monitor session 2 typ

Strany 645 - Troubleshooting OSPFv3

– For a VLAN interface, enter the keyword vlan then a number from 1 to 4094.– For a 40-Gigabit Ethernet interface, enter the keyword fortyGigE then th

Strany 646 - Viewing Summary Information

Configuring the Encapsulated Remote Port MirroringThe ERPM session copies traffic from the source ports/lags or source VLANs and forwards the traffic

Strany 647 - Policy-based Routing (PBR)

6<no> flow-based enable Specify flow-based enable for mirroring on a flow by flow basis and also for vlan as source.7no enable (Optional) No dis

Strany 648

ERPM Behavior on a typical Dell Networking OS The Dell Networking OS is designed to support only the Encapsulation of the data received / transmitted

Strany 649 - Networking OS

39th byte in a given ERPM packet. The first 38/42 bytes of the header needs to be ignored/ chopped off.– Some tools support options to edit the captur

Strany 650

36Per-VLAN Spanning Tree Plus (PVST+)Per-VLAN spanning tree plus (PVST+) is supported on the S6000 platform.Protocol OverviewPVST+ is a variation of s

Strany 651

Table 52. Spanning Tree Variations Dell Networking OS SupportsDell Networking Term IEEE SpecificationSpanning Tree Protocol (STP) 802 .1dRapid Spannin

Strany 652 - PBR Exceptions (Permit)

PROTOCOL PVST modeno disableDisabling PVST+To disable PVST+ globally or on an interface, use the following commands.• Disable PVST+ globally.PROTOCOL

Strany 653

Figure 97. Load Balancing with PVST+The bridge with the bridge value for bridge priority is elected root. Because all bridges use the default priority

Strany 654 - Sample Configuration

Root Identifier has priority 4096, Address 0001.e80d.b6d6Root Bridge hello time 2, max age 20, forward delay 15Bridge Identifier has priority 4096, Ad

Strany 655 - Create the Redirect-List GOLD

PROTOCOL PVST modevlan max-ageThe range is from 6 to 40.The default is 20 seconds.The values for global PVST+ parameters are given in the output of th

Strany 656 - View Redirect-List GOLD

line vty 0 access-class myvtyaclDell Networking OS Behavior: Prior to Dell Networking OS version 7.4.2.0, in order to deny access on a VTY line, appl

Strany 657 - PIM Sparse-Mode (PIM-SM)

The range is from 0 to 240, in increments of 16.The default is 128.The values for interface PVST+ parameters are given in the output of the show spann

Strany 658 - Send Multicast Traffic

PVST+ in Multi-Vendor NetworksSome non-Dell Networking systems which have hybrid ports participating in PVST+ transmit two kinds of BPDUs: an 802.1D B

Strany 659 - Enable PIM-SM

Example of Viewing the Extend System ID in a PVST+ ConfigurationDell(conf-pvst)#do show spanning-tree pvst vlan 5 briefVLAN 5Executing IEEE compatible

Strany 660 - Configuring S,G Expiry Timers

no ip address tagged GigabitEthernet 2/12,32 no shutdown!interface Vlan 200 no ip address tagged GigabitEthernet 2/12,32 no shutdown!interface

Strany 661

37Quality of Service (QoS)Quality of service (QoS) is supported on the S6000 platform.Differentiated service is accomplished by classifying and queuin

Strany 662

Feature DirectionConfigure a Scheduler to Queue EgressSpecify WRED Drop Precedence EgressCreate Policy Maps Ingress + EgressCreate Input Policy Maps I

Strany 663

Figure 99. Dell Networking QoS ArchitectureImplementation InformationThe Dell Networking QoS implementation complies with IEEE 802.1p User Priority Bi

Strany 664

Setting dot1p Priorities for Incoming TrafficDell Networking OS places traffic marked with a priority in a queue based on the following table.If you s

Strany 665 - Enabling PIM-SSM

Example of Configuring an Interface to Honor dot1p Priorities on Ingress TrafficDell#config tDell(conf)#interface tengigabitethernet 1/0Dell(conf-if)#

Strany 666

rate shape• Apply rate shaping to a queue.QoS Policy moderate-shapeExample of rate shape CommandDell#configDell(conf)#interface tengigabitethernet 1/0

Strany 667

Multiprotocol BGP...162Imple

Strany 668 - Port Monitoring

Dell(config-line-vty)#show configline vty 0 password myvtypasswordlogin authentication myvtymethodlistline vty 1 password myvtypasswordlogin authent

Strany 669

Classify TrafficClass maps differentiate traffic so that you can apply separate quality of service policies to different types of traffic.For both cla

Strany 670 - Configuring Port Monitoring

Dell(conf)#policy-map-input pmapDell(conf-policy-map-in)#service-queue 3 class-map cmap1Dell(conf-policy-map-in)#service-queue 1 class-map cmap2Dell(c

Strany 671

ACLs acl1 and acl2 have overlapping rules because the address range 20.1.1.0/24 is within 20.0.0.0/8. Therefore (without the keyword order), packets w

Strany 672

seq 10 deny ip any any!ip access-list extended AF2 seq 5 permit ip host 23.64.0.5 any seq 10 deny ip any anyDell# show cam layer3-qos interface te

Strany 673 - Remote Port Mirroring

• Because this functionality forcibly marks all the packets matching the specific match criteria as ‘yellow’, Dell Networking OS does not support Poli

Strany 674 - Configuration Notes

Configuring Policy-Based Rate PolicingTo configure policy-based rate policing, use the following command.• Configure rate police ingress traffic.QOS-P

Strany 675

Table 56. Default Bandwidth WeightsQueue Default Weight Equivalent Percentage0 1 6.67%1 2 13.33%2 4 26.67%3 8 53.33%• Allocate bandwidth to queues.ban

Strany 676 - Restrictions

• Each color map can only have one list of DSCP values for each color; any DSCP values previously listed for that color that are not in the new DSCP l

Strany 677

Display a specific DSCP color map.Dell# show qos dscp-color-map mapTWODscp-color-map mapTWO yellow 16,55Displaying a DSCP Color Policy Configuration

Strany 678

Applying a Class-Map or Input QoS Policy to a QueueApplying an Input QoS Policy to an Input Policy MapHonoring DSCP Values on Ingress PacketsHonoring

Strany 679

EXEC Privilegetelnet [ip-address]If you do not enter an IP address, Dell Networking OS enters a Telnet dialog that prompts you for one.Enter an IPv4 a

Strany 680 - Configuration steps for ERPM

Table 58. Default DSCP to Queue MappingDSCP/CP hex range (XXX)xxxDSCP DefinitionTraditional IP PrecedenceInternal Queue IDInternal Queue ID (S6000)DSC

Strany 681

Mapping dot1p Values to Service QueuesAll traffic is by default mapped to the same queue, Queue 0.If you honor dot1p on ingress, you can create servic

Strany 682

Applying an Output QoS Policy to a QueueSpecifying an Aggregate QoS PolicyApplying an Output Policy Map to an Interface3. Apply the policy map to an i

Strany 683

QoS rate adjustment is disabled by default.• Specify the number of bytes of packet overhead to include in rate limiting, policing, and shaping calcula

Strany 684

But when queue 1 gets congested on switch B, PFC frames for tagged packets will not be generated as PFC is not enabled on dot1p priority 5.Support for

Strany 685 - Enabling PVST+

WRED profile to a policy-map so that specified traffic can be prevented from consuming too much of the BTM resources.WRED uses a profile to specify mi

Strany 686 - Disabling PVST+

Applying a WRED Profile to TrafficAfter you create a WRED profile, you must specify to which traffic Dell Networking OS should apply the profile.Dell

Strany 687

Test the policy-map size against the CAM space for a specific port-pipe or all port-pipes using these commands:• test cam-usage service-policy input p

Strany 688

Committed rate refers to the guaranteed bandwidth for traffic entering or leaving the interface under normal network conditions. When traffic propagat

Strany 689

Dell(config-qos-policy-out)# rate shape pps peak-rate burst-packets committed pps committed-rate burst-packets 4. Alternatively, configure the committ

Strany 690

Example of Locking CONFIGURATION Mode for Single-User AccessDell(conf)#configuration mode exclusive autoBATMAN(conf)#exit3d23h35m: %RPM0-P:CP %SYS-5-C

Strany 691

You can enable WRED and ECN capabilities per queue for granularity. You can disable these functionality per queue, and you can also specify the minimu

Strany 692 - PVST+ Sample Configurations

Table 60. Scenarios of WRED and ECN ConfigurationQueue ConfigurationService-Pool ConfigurationWRED Threshold RelationshipQ threshold = Q-T,Service poo

Strany 693

Dell(conf-wred) #wred—profile thresh-1 Dell(conf-wred) #threshold min 100 max 200 max-drop-rate 40 3. Configure another WRED profile, and specify the

Strany 694 - Quality of Service (QoS)

– FIN– SYN–PSH– RST– URGIn the existing software, ECE/CWR TCP flag qualifiers are not supported.• Because this functionality forcibly marks all the pa

Strany 695

action. During congestion, ECN enabled packets are not subject to any kind of drops like WRED except tail drops. Though ECN & WRED are independent

Strany 696 - Port-Based QoS Configurations

You can use the ecn keyword with the ip access-list standard, ip access-list extended, seq, and permit commands for standard and extended IPv4 ACLs to

Strany 697

• match ip vlanSample configuration to mark non-ecn packets as “yellow” with single traffic classConsider the use case where the packet with DSCP valu

Strany 698

class-map match-any class_dscp_40 match ip access-group dscp_40_non_ecn set-color yellow match ip access-group dscp_40_ecn!class-map match-any class_d

Strany 699

The maximum number of ports, including fan-out, supported is 104 and the maximum number of queues supported is 21. Analyzing and evaluating buffer sta

Strany 700 - Classify Traffic

38Routing Information Protocol (RIP)Routing information protocol (RIP) is supported on the S6000 platform.RIP is based on a distance-vector algorithm;

Strany 701 - Creating a Layer 2 Class Map

* persistent settings (stacking, fanout, etc.) * * After restoration the unit(s) will be powercycled immediately. *

Strany 702

Implementation InformationDell Networking OS supports both versions of RIP and allows you to configure one version globally and the other version on i

Strany 703

Enabling RIP GloballyBy default, RIP is not enabled in Dell Networking OS.To enable RIP globally, use the following commands.1. Enter ROUTER RIP mode

Strany 704 - Create a QoS Policy

192.162.2.0/24 [120/1] via 29.10.10.12, 00:01:21, Fa 0/0192.162.2.0/24 auto-summary192.161.1.0/24 [120/1] via 29.10.10.12, 00:00:27, Fa 0/019

Strany 705

distribute-list prefix-list-name in• Assign a configured prefix list to all outgoing RIP routes.ROUTER RIP modedistribute-list prefix-list-name outTo

Strany 706 - DSCP Color Maps

• Set the RIP versions received on that interface.INTERFACE modeip rip receive version [1] [2]• Set the RIP versions sent out on that interface.INTERF

Strany 707 - Displaying DSCP Color Maps

Automatic network summarization is in effect Outgoing filter for all interfaces is Incoming filter for all interfaces is Default redistribution m

Strany 708 - Create Policy Maps

Controlling Route MetricsAs a distance-vector protocol, RIP uses hop counts to determine the best route, but sometimes the shortest hop count is a rou

Strany 709

Dell#debug ip ripRIP protocol debug is ONDell#To disable RIP, use the no debug ip rip command.RIP Configuration ExampleThe examples in this section sh

Strany 710

Core 2 RIP OutputThe examples in the section show the core 2 RIP output.Examples of the show ip Commands to View Core 2 Information• To display Core 2

Strany 711 - Creating Output Policy Maps

The following example shows the show ip protocols command to show the RIP configuration activity on Core 2.Core2#show ip protocolsRouting Protocol is

Strany 712 - Enabling QoS Rate Adjustment

BOOT_USER # boot change primaryboot device : flashfile name : systemaBOOT_USER #To boot from flash partition B:BOOT_USER # boot change primaryboot dev

Strany 713

Examples of the show ip Commands to View Learned RIP Routes on Core 3The following example shows the show ip rip database command to view the learned

Strany 714

GigabitEthernet 3/44 2 2 GigabitEthernet 3/43 2 2Routing for Networks: 10.11.20.0 10.11.30.0 192.168.2.0 192.168.1.0Rou

Strany 715 - Creating WRED Profiles

ip address 192.168.2.1/24 no shutdown!router ripversion 2network 10.11.20.0network 10.11.30.0network 192.168.1.0network 192.168.2.0742Routing Infor

Strany 716

39Remote Monitoring (RMON)Remote monitoring (RMON) is supported on the S6000 platform.RMON is an industry-standard implementation that monitors networ

Strany 717

the sampled data — the new master RPM provides the same sampled data as did the old master — as long as the master RPM had been running long enough to

Strany 718

Example of the rmon alarm CommandTo disable the alarm, use the no form of the command.The following example configures RMON alarm number 10. The alarm

Strany 719

[no] rmon collection statistics {controlEntry integer} [owner ownername]– controlEntry: specifies the RMON group of statistics using a value.– integer

Strany 720

40Rapid Spanning Tree Protocol (RSTP)Rapid spanning tree protocol (RSTP) is supported on the S6000 platform.Protocol OverviewRSTP is a Layer 2 protoco

Strany 721

Important Points to Remember• RSTP is disabled by default.• Dell Networking OS supports only one Rapid Spanning Tree (RST) instance.• All interfaces i

Strany 722 - Marking Packets

INTERFACE modeno shutdownExample of Verifying an Interface is in Layer 2 Mode and EnabledTo verify that an interface is in Layer 2 mode and enabled, u

Strany 723

5802.1X802.1X is supported on the S6000 platform.802.1X is a method of port security. A device connected to a port that is enabled with 802.1X is disa

Strany 724

Figure 103. Rapid Spanning Tree Enabled GloballyTo view the interfaces participating in RSTP, use the show spanning-tree rstp command from EXEC privil

Strany 725

BPDU : sent 121, received 2The port is not in the Edge port modePort 379 (GigabitEthernet 2/3) is designated ForwardingPort path cost 20000, Port prio

Strany 726

Modifying Global ParametersYou can modify RSTP parameters.The root bridge sets the values for forward-delay, hello-time, and max-age and overwrites th

Strany 727

NOTE: With large configurations (especially those configurations with more ports) Dell Networking recommends increasing the hello-time.The range is fr

Strany 728

To view the current values for interface parameters, use the show spanning-tree rstp command from EXEC privilege mode.Enabling SNMP Traps for Root Ele

Strany 729

• If the interface to be shut down is a port channel, all the member ports are disabled in the hardware.• When you add a physical port to a port chann

Strany 730

The range is from 50 to 950 milliseconds.Example of Verifying Hello-Time IntervalDell(conf-rstp)#do show spanning-tree rstp briefExecuting IEEE compat

Strany 731 - Enabling RIP Globally

41Software-Defined Networking (SDN)Dell Networking operating software supports Software-Defined Networking (SDN). For more information, refer to the S

Strany 732 - Configure RIP on Interfaces

42Service Provider BridgingService provider bridging is supported on the S6000 platform.VLAN StackingVirtual local area network (VLAN) stacking is sup

Strany 733

Figure 104. VLAN Stacking in a Service Provider NetworkImportant Points to Remember• Interfaces that are members of the Default VLAN and are configure

Strany 734

Figure 3. EAP Frames Encapsulated in Ethernet and RADUISThe authentication process involves three devices:• The device attempting to access the networ

Strany 735 - Summarize Routes

Configure VLAN StackingConfiguring VLAN-Stacking is a three-step process.1. Creating Access and Trunk Ports2. Assign access and trunk ports to a VLAN

Strany 736 - Debugging RIP

interface GigabitEthernet 7/12 no ip address switchport vlan-stack trunk no shutdownEnable VLAN-Stacking for a VLANTo enable VLAN-Stacking for a V

Strany 737 - RIP Configuration Example

To configure trunk ports, use the following commands.1. Configure a trunk port to carry untagged, single-tagged, and double-tagged traffic by making i

Strany 738 - Core 2 RIP Output

• MT — stacked trunk• MU — stacked access port• T — 802.1Q trunk port• U — 802.1Q access port• NU — Native VLAN (untagged)Dell# debug member vlan 603v

Strany 739 - Core 3 RIP Output

Figure 105. Single and Double-Tag TPID Match764Service Provider Bridging

Strany 740

Figure 106. Single and Double-Tag First-byte TPID MatchService Provider Bridging765

Strany 741 - RIP Configuration Summary

Figure 107. Single and Double-Tag TPID MismatchVLAN Stacking Packet Drop PrecedenceVLAN stacking packet drop precedence is available on the S6000 plat

Strany 742

Table 64. Drop Eligibility BehaviorIngress Egress DEI Disabled DEI EnabledNormal Port Normal Port Retain CFI Set CFI to 0.Trunk Port Trunk Port Retain

Strany 743 - Remote Monitoring (RMON)

Marking Egress Packets with a DEI ValueOn egress, you can set the DEI value according to a different mapping than ingress.For ingress information, ref

Strany 744 - Setting the rmon Alarm

• Mark the S-Tag dot1p and queue the frame according to the original C-Tag dot1p. In this case, you must have other dot1p QoS configurations; this opt

Strany 745 - Configuring an RMON Event

3. The authenticator decapsulates the EAP response from the EAPOL frame, encapsulates it in a RADIUS Access-Request frame and forwards the frame to th

Strany 746

service-policy input in layer2 no shutdownMapping C-Tag to S-Tag dot1p ValuesTo map C-Tag dot1p values to S-Tag dot1p values and mark the frames ac

Strany 747

Figure 109. VLAN Stacking without L2PTYou might need to transport control traffic transparently through the intermediate network to the other region.

Strany 748

the intermediate network because only Dell Networking OS could recognize the significance of the destination MAC address and rewrite it to the origina

Strany 749

Enabling Layer 2 Protocol TunnelingTo enable Layer 2 protocol tunneling, use the following command.1. Verify that the system is running the default CA

Strany 750

4. Set a maximum rate at which the RPM processes BPDUs for L2PT.VLAN STACKING modeprotocol-tunnel rate-limitThe default is: no rate limiting.The range

Strany 751

43sFlowConfiguring sFlow is supported on the S6000 platform.OverviewThe Dell Networking Operating System (OS) supports sFlow version 5.sFlow is a stan

Strany 752

Important Points to Remember• The Dell Networking OS implementation of the sFlow MIB supports sFlow configuration via snmpset.• Dell Networking recomm

Strany 753

69 sFlow samples dropped due to sub-samplingLinecard 1 Port set 0 H/W sampling rate 8192Gi 1/16: configured rate 8192, actual rate 8192, sub-sampling

Strany 754

Dell#show sflowsFlow services are enabledGlobal default sampling rate: 32768Global default counter polling interval: 201 collectors configuredCollecto

Strany 755

Example of Viewing sFlow Configuration (Line Card)Dell#show sflow stack-unit 1stack-unit 1 Samples rcvd from h/w :165 Samples dropped for

Strany 756

EAP over RADIUS802.1X uses RADIUS to shuttle EAP packets between the authenticator and the authentication server, as defined in RFC 3579.EAP messages

Strany 757

As a result of back-off, the actual sampling-rate of an interface may differ from its configured sampling rate. You can view the actual sampling-rate

Strany 758 - Service Provider Bridging

0 UDP packets exported0 UDP packets dropped0 sFlow samples collected0 sFlow samples dropped due to sub-samplingImportant Points to Remember• To export

Strany 759

IP SA IP DA srcAS and srcPeerASdstAS and dstPeerASDescriptionwhere is source is reachable over ECMP.BGP BGP Exported Exported Extended gateway data is

Strany 760 - Configure VLAN Stacking

44Simple Network Management Protocol (SNMP)Simple network management protocol (SNMP) is supported on the S6000 platform.NOTE: On Dell Networking route

Strany 761

Configuration mode. When the FIPS mode is enabled on the system, SNMPv3 operates in a FIPS-compliant manner, and only the FIPS-approved algorithm opti

Strany 762 - Debugging VLAN Stacking

Configuration Task List for SNMPConfiguring SNMP version 1 or version 2 requires a single step.NOTE: The configurations in this chapter use a UNIX env

Strany 763 - VLAN Stacking

Creating a CommunityFor SNMPv1 and SNMPv2, create a community to enable the community-based security in Dell Networking OS.The management station gene

Strany 764

snmp-server group group-name 3 noauth auth read name write name• Configure an SNMPv3 view.CONFIGURATION modesnmp-server view view-name oid-tree {inclu

Strany 765

• Read the value of a single managed object.snmpget -v version -c community agent-ip {identifier.instance | descriptor.instance}• Read the value of th

Strany 766 - Enabling Drop Eligibility

Configuring Contact and Location Information using SNMPYou may configure system contact and location information from the Dell Networking system or fr

Strany 767

Important Points to Remember• Dell Networking OS supports 802.1X with EAP-MD5, EAP-OTP, EAP-TLS, EAP-TTLS, PEAPv0, PEAPv1, and MS-CHAPv2 with PEAP.• A

Strany 768

Subscribing to Managed Object Value Updates using SNMPBy default, the Dell Networking system displays some unsolicited SNMP messages (traps) upon cert

Strany 769

snmp coldstart SNMP_COLD_START: Agent Initialized - SNMP COLD_START. SNMP_WARM_START:Agent Initialized - SNMP WARM_START.s

Strany 770 - Layer 2 Protocol Tunneling

exceeds threshold of %dC) MAJOR_TEMP_CLR: Major alarm cleared: chassis temperature lower (%s %d temperature is within threshold of %dC)envmon fan

Strany 771

from SNMP OID <oid> %RPM0-P:CP %SNMP-4-RMON_FALLING_THRESHOLD: STACKUNIT0 falling threshold alarm from SNMP OID <oid> %RPM0-P:CP %SN

Strany 772

MIB Object OID Object Values Descriptionis set to running-config or startup-config, copySrcFileName is not required.copyDestFileType .1.3.6.1.4.1.6027

Strany 773 - Setting Rate-Limit BPDUs

Copying a Configuration FileTo copy a configuration file, use the following commands.NOTE: In UNIX, enter the snmpset command for help using the follo

Strany 774 - Provider Backbone Bridging

• Copy the running-config to the startup-config from the UNIX machine.snmpset -v 2c -c public force10system-ip-address copySrcFileType.index i 2 copyD

Strany 775 - Overview

copyUserName.index s server-login-id copyUserPassword.index s server-login-password• precede server-ip-address by the keyword a.• precede the values f

Strany 776 - Enabling Extended sFlow

myfilenamecopyServerAddress.10 a 172.16.1.56 copyUserName.10 s mylogin copyUserPassword.10 s mypassAdditional MIB Objects to View Copy StatisticsDell

Strany 777 - Displaying Show sFlow Global

index: the index value used in the snmpset command used to complete the copy operation.NOTE: You can use the entire OID rather than the object name. U

Strany 778

Enabling BGP Neighbor Soft-Reconfiguration...202Route Map Continue...

Strany 779 - Back-Off Mechanism

dot1x authentication2. Enter INTERFACE mode on an interface or a range of interfaces.INTERFACE modeinterface [range]3. Enable 802.1X on the supplicant

Strany 780

VLAN"SNMPv2-SMI::mib-2.17.7.1.4.3.1.1.1107787786 = STRING: "My VLAN"[Dell system output]Dell#show int vlan 10Vlan 10 is down, line prot

Strany 781

Example of Adding a Tagged Port to a VLAN using SNMPIn the following example, Port 0/2 is added as a tagged member of VLAN 10.>snmpset -v2c -c myco

Strany 782

CONFIGURATION modesnmp-server community2. From the Dell Networking system, identify the interface index of the port for which you want to change the a

Strany 783 - SNMPv3 Compliance With FIPS

In the following example, R1 has one dynamic MAC address, learned off of port TeGigabitEthernet 1/21, which a member of the default VLAN, VLAN 1. The

Strany 784

Deriving Interface IndicesDell Networking OS assigns an interface number to each (configured or unconfigured) physical and logical interface.The inter

Strany 785 - Set up SNMP

Monitor Port-ChannelsTo check the status of a Layer 2 port-channel, use f10LinkAggMib (.1.3.6.1.4.1.6027.3.2). In the following example, Po 1 is a swi

Strany 786 - Creating a Community

SNMPv2-SMI::enterprises.6027.3.1.1.4.1.2 = STRING: "OSTATE_DN: Changed interface state to down: Po 1"2010-02-10 14:22:40 10.16.130.4 [10.16.

Strany 787 - Reading Managed Object Values

45Storm ControlStorm control is supported on the S6000 platform.The storm control feature allows you to control unknown-unicast and broadcast traffic

Strany 788 - Writing Managed Object Values

46Spanning Tree Protocol (STP)The spanning tree protocol (STP) is supported on the S6000 platform.Protocol OverviewSTP is a Layer 2 protocol — specifi

Strany 789

Important Points to Remember• STP is disabled by default.• The Dell Networking OS supports only one spanning tree instance (0). For multiple instances

Strany 790

Configuring Request Identity Re-TransmissionsIf the authenticator sends a Request Identity frame, but the supplicant does not respond, the authenticat

Strany 791

To configure and enable the interfaces for Layer 2, use the following command.1. If the interface has been assigned an IP address, remove it.INTERFACE

Strany 792

Figure 112. Spanning Tree Enabled GloballyTo enable STP globally, use the following commands.1. Enter PROTOCOL SPANNING TREE mode.CONFIGURATION modepr

Strany 793

To view the spanning tree configuration and the interfaces that are participating in STP, use the show spanning-tree 0 command from EXEC privilege mod

Strany 794

spanning-tree 0Modifying Global ParametersYou can modify the spanning tree parameters. The root bridge sets the values for forward-delay, hello-time,

Strany 795 - Copying a Configuration File

PROTOCOL SPANNING TREE modemax-age secondsThe range is from 6 to 40.The default is 20 seconds.To view the current values for global parameters, use th

Strany 796

CAUTION: Enable PortFast only on links connecting to an end station. PortFast can cause loops if it is enabled on an interface connected to a network.

Strany 797

• When you add a physical port to a port channel already in the Error Disable state, the new member port is also disabled in the hardware.• When you r

Strany 798

• disables spanning tree on an interface• drops all BPDUs at the line card without generating a console messageExample of Blocked BPDUsDell(conf-if-gi

Strany 799 - Manage VLANs using SNMP

Root Bridge hello time 2, max age 20, forward delay 15Dell#STP Root GuardSTP root guard is supported on the platform.Use the STP root guard feature

Strany 800

Figure 114. STP Root Guard Prevents Bridging LoopsConfiguring Root GuardEnable STP root guard on a per-port or per-port-channel basis.Dell Networking

Strany 801 - Managing Overload on Startup

Example of Configuring and Verifying Port AuthenticationThe following example shows configuration information for a port for which the authenticator r

Strany 802

• Enable root guard on a port or port-channel interface.INTERFACE mode or INTERFACE PORT-CHANNEL modespanning-tree {0 | mstp | rstp | pvst} rootguard–

Strany 803

STP Loop GuardSTP loop guard is supported only on the platform.The STP loop guard feature provides protection against Layer 2 forwarding loops (STP lo

Strany 804 - Deriving Interface Indices

Figure 115. STP Loop Guard Prevents Forwarding LoopsConfiguring Loop GuardEnable STP loop guard on a per-port or per-port channel basis.Dell Networkin

Strany 805 - Monitor Port-Channels

• You cannot enable root guard and loop guard at the same time on an STP port. For example, if you configure loop guard on a port on which root guard

Strany 806

47System Time and DateSystem time and date settings and the network time protocol (NTP) are supported on the S6000 platform.You can set system times a

Strany 807 - Storm Control

certain fields in the message, recalculates the checksum and returns the message immediately. Information included in the NTP message allows the clien

Strany 808 - Spanning Tree Protocol (STP)

Implementation InformationDell Networking systems can only be an NTP client.Configure the Network Time ProtocolConfiguring NTP is a one-step process.•

Strany 809

CONFIGURATION modentp update-calendarExample of Updating the System Clock Relative to NTPR5/R8(conf)#do show calendar06:31:02 UTC Mon Mar 13 1989R5/R8

Strany 810

– For a 1-Gigabit Ethernet interface, enter the keyword GigabitEthernet then the slot/port information.– For a loopback interface, enter the keyword l

Strany 811

4. Configure an NTP server.CONFIGURATION modentp server ip-address [key keyid] [prefer] [version number]Configure the IP address of a server and the f

Strany 812

Example of Placing a Port in Force-Authorized State and Viewing the ConfigurationThe example shows configuration information for a port that has been

Strany 813

NOTE: • Leap Indicator (sys.leap, peer.leap, pkt.leap) — This is a two-bit code warning of an impending leap second to be inserted in the NTP time sca

Strany 814 - Enabling PortFast

Dell Networking OS Time and DateYou can set the time and date using the Dell Networking OS CLI.Configuration Task List The following is a configuratio

Strany 815

– month: enter the name of one of the 12 months in English. You can enter the name of a day to change the order of the display to time day month year.

Strany 816

– time-zone: enter the three-letter name for the time zone. This name displays in the show clock output.– start-month: enter the name of one of the 12

Strany 817 - Selecting STP Root

– start-day: Enter the number of the day. The range is from 1 to 31. You can enter the name of a month to change the order of the display to time day

Strany 818 - STP Root Guard

48Tunneling Tunnel interfaces create a logical tunnel for IPv4 or IPv6 traffic. Tunneling supports RFC 2003, RFC 2473, and 4213.DSCP, hop-limits, flow

Strany 819 - Configuring Root Guard

ipv6 address 2::1/64tunnel destination 90.1.1.1tunnel source 60.1.1.1tunnel mode ipv6ip no shutdownThe following sample configuration shows a tunnel c

Strany 820

Configuring a Tunnel InterfaceYou can configure the tunnel interface using the ip unnumbered and ipv6 unnumbered commands.To configure the tunnel inte

Strany 821 - STP Loop Guard

Configuring Tunnel source anylocal DecapsulationThe tunnel source anylocal command allows a multipoint receive-only tunnel to decapsulate tunnel packe

Strany 822 - Configuring Loop Guard

Multipoint Receive-Only Type and IP Unnumbered Interfaces for TunnelsMultipoint receive-only type IP Tunnel is now supported in S6000 platform. This i

Strany 823

The bold lines show that re-authentication is enabled and the new maximum and re-authentication time period.Dell(conf-if-Te-0/0)#dot1x reauthenticatio

Strany 824 - System Time and Date

49Upgrade ProceduresTo find the upgrade procedures, go to the Dell Networking OS Release Notes for your system type to see all the requirements needed

Strany 825

50Virtual LANs (VLANs)Virtual LANs (VLANs) are supported on the S6000 platform.VLANs are a logical broadcast domain or logical grouping of interfaces

Strany 826 - Enabling NTP

By default, VLAN 1 is the Default VLAN. To change that designation, use the default vlan-id command in CONFIGURATION mode. You cannot delete the Defau

Strany 827 - Disabling NTP on an Interface

information is preserved as the frame moves through the network. The following example shows the structure of a frame with a tag header. The VLAN ID i

Strany 828

• Configure a port-based VLAN (if the VLAN-ID is different from the Default VLAN ID) and enter INTERFACE VLAN mode.CONFIGURATION modeinterface vlan vl

Strany 829

The following example shows the steps to add a tagged interface (in this case, port channel 1) to VLAN 4. To view the interface’s status. Interface (p

Strany 830

INTERFACE modeuntagged interfaceThis command is available only in VLAN interfaces.Move an Untagged Interface to Another VLANThe no untagged interface

Strany 831 - Configuration Task List

Assigning an IP Address to a VLANVLANs are a Layer 2 feature. For two physical interfaces on different VLANs to communicate, you must assign an IP add

Strany 832 - Set Daylight Saving Time

INTERFACE mode2. Configure the interface for Hybrid mode.INTERFACE modeportmode hybrid3. Configure the interface for Switchport mode.INTERFACE modeswi

Strany 833

51VLT Proxy GatewayYou can configure a proxy gateway in VLT domains. A proxy gateway enables you to locally route the packets that are destined to a L

Strany 834

The bold lines show the new supplicant and server timeouts.Dell(conf-if-Te-0/0)#dot1x port-control force-authorizedDell(conf-if-Te-0/0)#do show dot1x

Strany 835 - Tunneling

When the routing table across DCs is not symmetrical, there is a possibility of a routing miss by a DC that do not have the route for the L3 traffic.

Strany 836

8. LLDP port channel interface can’t be changed to legacy lag when proxy gateway is enabled.9.“vlt-peer-mac transmit” is recommended only for square V

Strany 837

• There are only a couple of MACs for each unit to be transmitted so that all current active MACs can definitely be carried on the newly defined TLV.•

Strany 838

2. Trace route across VLT domains may show extra hops.3. IP route symmetry must be maintained across the VLT domains. Assume if the route to a destina

Strany 839 - Interfaces for Tunnels

8. Packet duplication – Assume exclude-vlan (say VLAN 10) is configured on C2/D2 for C1’s MAC. If packets for VLAN 10 with C1’s MAC get a hit at C2, t

Strany 840 - Upgrade Procedures

VLT DOMAIN PROXY GW LLDP modeDell(conf-vlt-domain-proxy-gw-lldp)#peer-domain-link port-channel interface exclude-vlan vlan-range4. Display the VLT pro

Strany 841 - Virtual LANs (VLANs)

52Virtual Link Trunking (VLT)Virtual link trunking (VLT) is supported on the S6000 platform.OverviewVLT allows physical links between two chassis to a

Strany 842 - VLANs and Port Tagging

Figure 118. VLT on SwitchesVLT on Core SwitchesYou can also deploy VLT on core switches.Uplinks from servers to the access layer and from access layer

Strany 843

Figure 119. Enhanced VLTVLT TerminologyThe following are key VLT terms.• Virtual link trunk (VLT) — The combined port channel between an attached devi

Strany 844

Configure Virtual Link TrunkingVLT requires that you enable the feature and then configure the same VLT domain, backup link, and VLT interconnect on b

Strany 845 - Moving Untagged Interfaces

Figure 7. Dynamic VLAN Assignment1. Configure 8021.x globally (refer to Enabling 802.1X) along with relevant RADIUS server configurations (refer to th

Strany 846

• In a scenario where one hundred hosts are connected to a Peer1 on a non-VLT domain and traffic flows through Peer1 to Peer2; when you move these hos

Strany 847 - Configuring Native VLANs

– The system automatically includes the required VLANs in VLTi. You do not need to manually select VLANs.– VLT peer switches operate as separate chass

Strany 848

– The chassis backup link does not carry control plane information or data traffic. Its use is restricted to health checks only.• Virtual link trunks

Strany 849 - VLT Proxy Gateway

– Dell Networking does not recommend enabling peer-routing if the CAM is full. To enable peer-routing, a minimum of two local DA spaces for wild card

Strany 850

Primary and Secondary VLT PeersPrimary and Secondary VLT Peers are supported on the platform.To prevent issues when connectivity between peers is lost

Strany 851

When the bandwidth usage drops below the 80% threshold, the system generates another syslog message (shown in the following message) and an SNMP trap.

Strany 852

PIM-Sparse Mode Support on VLTThe designated router functionality of the PIM Sparse-Mode multicast protocol is supported on VLT peer switches for mult

Strany 853

(DR) if they are incorrectly hashed. In addition to being first-hop or last -hop routers, the peer node can also act as an intermediate router.On a VL

Strany 854

local DA entries in TCAM. In case a VLT node is down, a timer that allows you to configure the amount of time needed for peer recovery provides resili

Strany 855

• VLT resiliency — After a VLT link or peer failure, if the traffic hashes to the VLT peer, the traffic continues to be routed using multicast until t

Strany 856

If the supplicant fails authentication, the authenticator typically does not enable the port. In some cases this behavior is not appropriate. External

Strany 857 - Enhanced VLT

Non-VLT ARP SyncSynchronization for non-ARP routing table entries is supported on the platform.ARP entries (including ND entries) learned on other por

Strany 858 - VLT Terminology

Sample RSTP ConfigurationThe following is a sample of an RSTP configuration.Using the example shown in the Overview section as a sample VLT topology,

Strany 859

interface port-channel id-numberEnter the same port-channel number configured with the peer-link port-channel command as described in Enabling VLT and

Strany 860

You can optionally specify the time interval used to send hello messages. The range is from 1 to 5 seconds.3. Configure the port channel to be used as

Strany 861

The range of domain IDs from 1 to 1000.2. Enter an amount of time, in seconds, to delay the restoration of the VLT ports after the system is rebooted.

Strany 862

Configure a different unit ID (0 or 1) on each peer switch.Unit IDs are used for internal system operations.Use this command to minimize the time requ

Strany 863

To configure the VLAN where a VLT peer forwards received packets over the VLTi from an adjacent VLT peer that is down, use the peer-down-vlan paramete

Strany 864 - VLT Bandwidth Monitoring

3. Enter VLT-domain configuration mode for a specified VLT domain.CONFIGURATION modevlt domain domain-idThe range of domain IDs is from 1 to 1000.4. E

Strany 865 - VLT Port Delayed Restoration

interface port-channel id-numberEnter the same port-channel number configured with the peer-link port-channel command in the Enabling VLT and Creating

Strany 866

vlt domain domain id2. Configure the VLTi between VLT peer 1 and VLT peer 2.3. You can configure LACP/static LAG between the peer units (not shown).CO

Strany 867 - VLT Routing

!interface TenGigabitEthernet 2/1 switchport dot1x authentication dot1x guest-vlan 200no shutdownDell(conf-if-Te-2/1)#Dell(conf-if-Te-2/1)#dot1x au

Strany 868 - VLT Multicast Routing

NOTE: If you use a third-party ToR unit, Dell Networking recommends using static LAGs with VLT peers to avoid potential problems if you reboot the VLT

Strany 869 - Configuring VLT Multicast

3. In the Top of Rack unit, configure LACP in the physical ports (shown for VLT peer 1 only. Repeat steps for VLT peer 2. The bold vlt-peer-lag port-c

Strany 870 - RSTP Configuration

Te 0/50 (Up)s60-1#Verify VLT is up. Verify that the VLTi (ICL) link, backup link connectivity (heartbeat status), and

Strany 871 - Configuring VLT

Figure 121. eVLT Configuration ExampleeVLT Configuration Step ExamplesIn Domain 1, configure the VLT domain and VLTi on Peer 1.Domain_1_Peer1#configur

Strany 872

Domain_1_Peer2(conf-vlt-domain)# back-up destination 10.16.130.12Domain_1_Peer2(conf-vlt-domain)# system-mac mac-address 00:0a:00:0a:00:0aDomain_1_Pee

Strany 873 - Configuring a VLT Backup Link

Configure eVLT on Peer 4.Domain_2_Peer4(conf)#interface port-channel 100Domain_2_Peer4(conf-if-po-100)# switchportDomain_2_Peer4(conf-if-po-100)# vlt-

Strany 874

Verifying a VLT ConfigurationTo monitor the operation or verify the configuration of a VLT domain, use any of the following show commands on the prima

Strany 875

Examples of the show vlt and show spanning-tree rstp CommandsThe following example shows the show vlt backup-link command.Dell_VLTpeer1# show vlt back

Strany 876

The following example shows the show vlt detail command.Dell_VLTpeer1# show vlt detailLocal LAG Id Peer LAG Id Local Status Peer Status Active VLANs--

Strany 877

Dell_VLTpeer2# show vlt statisticsVLT Statistics----------------HeartBeat Messages Sent: 994HeartBeat Messages Received: 978ICL Hello's Sent:

Strany 878 - VLT Sample Configuration

6Access Control Lists (ACLs)This chapter describes access control lists (ACLs), prefix lists, and route-maps.• Access control lists (ACLs), Ingress IP

Strany 879

Configuring Virtual Link Trunking (VLT Peer 1)Enable VLT and create a VLT domain with a backup-link and interconnect trunk (VLTi).Dell_VLTpeer1(conf)#

Strany 880

Configure the backup link.Dell_VLTpeer2(conf)#interface ManagementEthernet 0/0Dell_VLTpeer2(conf-if-ma-0/0)#ip address 10.11.206.35/Dell_VLTpeer2(conf

Strany 881

Troubleshooting VLTTo help troubleshoot different VLT issues that may occur, use the following information.NOTE: For information on VLT Failure mode t

Strany 882

Description Behavior at Peer Up Behavior During Run TimeAction to Takethat the MAC address is the same on both units.Unit ID mismatchThe VLT peer does

Strany 883

Specifying VLT Nodes in a PVLANYou can configure VLT peer nodes in a private VLAN (PVLAN). VLT enables redundancy without the implementation of Spanni

Strany 884

not validated if you associate an ICL to a PVLAN. Similarly, if you dissociate an ICL from a PVLAN, although the PVLAN parity exists, ICL is removed f

Strany 885

PVLAN Operations When a VLT Peer is RestartedWhen the VLT peer node is rebooted, the VLAN membership of the VLTi link is preserved and when the peer n

Strany 886 - Verifying a VLT Configuration

VLT LAG Mode PVLAN Mode of VLT VLAN ICL VLAN MembershipMac SynchronizationPeer1 Peer2 Peer1 Peer2PromiscuousTrunk Primary Primary Yes NoTrunk Access P

Strany 887

VLT LAG Mode PVLAN Mode of VLT VLAN ICL VLAN MembershipMac SynchronizationPeer1 Peer2 Peer1 Peer2Access Access Secondary (Community)Secondary (Communi

Strany 888

INTERFACE PORT-CHANNEL modeno shutdown5. To configure the VLT interconnect, repeat Steps 1–4 on the VLT peer switch.6. Enter VLT-domain configuration

Strany 889

Configure Enhanced Transmission Selection...242ETS Prerequisites and Re

Strany 890

• Port/VLAN based IMPLICIT DENY Rules• VRF based PERMIT/DENY Rules• VRF based IMPLICIT DENY RulesNOTE: In order for the VRF ACLs to take effect, ACLs

Strany 891 - Access Switch)

6. Enable the VLAN.INTERFACE VLAN modeno shutdown7. To obtain maximum VLT resiliency, configure the PVLAN IDs and mappings to be identical on both the

Strany 892 - Troubleshooting VLT

supported only for the IP address belongs to the received interface IP network. Proxy ARP is not supported if the ARP requested IP address is differen

Strany 893

VLT Nodes as Rendezvous Points for Multicast ResiliencyYou can configure virtual link trunking (VLT) peer nodes as rendezvous points (RPs) in a Protoc

Strany 894

53Virtual Extensible LAN (VXLAN)Virtual Extensible LAN (VXLAN) is supported on the S6000 platform.OverviewS6000 device acts as the VXLAN gateway and p

Strany 895

• Network Virtualization Platform (NVP) Controller• VTEP (VXLAN Tunnel End Point)• VXLAN Gateway• VXLAN Hypervisor• Service Node (SN)• Legacy TORNetwo

Strany 896

Functional Overview of VXLAN GatewayThe following section is the functional overview of VXLAN Gateway:1. Provides connectivity between a Virtual serve

Strany 897

Components of VXLAN Frame FormatSome of the important fields of the VXLAN frame format are described below:Outer Ethernet Header:The Outer Ethernet He

Strany 898

To create a Hypervisor or server, the required fields are the IP address and SSL certificate of the server. The following are the snapshots of the use

Strany 899

To create service node, the required fields are the IP address and SSL certificate of the server. The Service node is responsible for broadcast/unknow

Strany 900

NOTE: For more details about NVP controller configuration, refer to the NVP user guide from VMWare .Configuring VxLAN GatewayTo configure the VxLAN ga

Strany 901

• CAM OptimizationUser Configurable CAM AllocationUser configurable CAM allocations are supported on the S6000 platform.Allocate space for IPV6 ACLs b

Strany 902

6. fail-mode (Optional)VxLAN INSTANCE modefail-mode secureIf the local VTEP loses connectivity with the controller, it will delete all its database an

Strany 903 - Components of VXLAN network

Rx Bytes : 1317Tx Packets : 13Tx Bytes : 1321The following example shows the show vxlan vxlan-instance physical-locator command.Dell#show vxlan vxlan-

Strany 904

Tunnel Key : 2VFI : 28674Unknown Multicast MAC Tunnels: 192.168.122.133 : vxlan_over_ipv4 (up)Port Vlan Bindings: Te 0/80: VLAN: 0 (0x80000001),

Strany 905 - VXLAN Frame Format

54Virtual Routing and Forwarding (VRF)Virtual Routing and Forwarding (VRF) allows a physical router to partition itself into multiple Virtual Routers

Strany 906 - Controller GUI

Figure 122. VRF Network ExampleVRF Configuration NotesAlthough there is no restriction on the number of VLANs that can be assigned to a VRF instance,

Strany 907 - 2. Create Service Node

Dell Networking OS uses both the VRF name and VRF ID to manage VRF instances. The VRF name and VRF ID number are assigned using the ip vrf command. Th

Strany 908

Feature/Capability Support Status for Default VRF Support Status for Non-default VRFNOTE: ACLs supported on all VRF VLAN ports. IPv4 ACLs are supporte

Strany 909 - Configuring VxLAN Gateway

Feature/Capability Support Status for Default VRF Support Status for Non-default VRFRAD Yes NoIngress/Egress Storm-Control (per-interface/global)Yes N

Strany 910

Assigning an Interface to a VRFYou must enter the ip vrf forwarding command before you configure the IP address or any other setting on an interface.N

Strany 911

static routes for reaching specific destinations through a given gateway in a VRF. VRRP provides high availability and protection for next-hop static

Strany 912

Implementing ACLs on Dell Networking OSYou can assign one IP ACL per interface with Dell Networking OS. If you do not assign an IP ACL to an interface

Strany 913 - VRF Overview

Figure 123. Setup OSPF and Static Routes920Virtual Routing and Forwarding (VRF)

Strany 914 - VRF Configuration Notes

Figure 124. Setup VRF InterfacesThe following example relates to the configuration shown in Figure1 and Figure 2.Router 1ip vrf blue 1 ! ip vrf orange

Strany 915 - Table 74

interface GigabitEthernet 7/1 ip vrf forwarding orange ip address 20.0.0.1/24 no shutdown ! interface GigabitEthernet 7/2 ip vrf forwa

Strany 916

interface GigabitEthernet 9/19 ip vrf forwarding orange ip address 21.0.0.1/24 no shutdown!interface GigabitEthernet 9/20 ip vrf forwardin

Strany 917 - VRF Configuration

Gi 13/0-47, Ma 0/0, Ma 1/0,

Strany 918 - View VRF Instance Information

110/2 00:10:41Dell#show ip route vrf greenCodes: C - connected, S - static, R - RIP, B - BGP, IN - internal BGP, EX - extern

Strany 919 - Sample VRF Configuration

Vl 256Dell#show ip ospf 1 neighborNeighbor ID Pri State De

Strany 920

Codes: C - connected, S - static, R - RIP, B - BGP, IN - internal BGP, EX - external BGP,LO - Locally Originated, O - OSPF, IA -

Strany 921

55Virtual Router Redundancy Protocol (VRRP)Virtual router redundancy protocol (VRRP) is supported on the S6000 platform.VRRP OverviewVRRP is designed

Strany 922

Figure 125. Basic VRRP ConfigurationVRRP BenefitsWith VRRP configured on a network, end-station connectivity to the network is not subject to a single

Strany 923

closer to 0) before rules with higher-order numbers so that packets are matched as you intended. By default, all ACL rules have an order of 255.Exampl

Strany 924

CAUTION: Increasing the advertisement interval increases the VRRP Master dead interval, resulting in an increased failover time for Master/Backup elec

Strany 925

Examples of Configuring and Verifying VRRPThe following examples how to configure VRRP.Dell(conf)#int gi 1/1Dell(conf-if-gi-1/1)#vrrp-group 111Dell(co

Strany 926

NOTE: Carefully following this procedure, otherwise you might introduce dual master switches issues.To migrate an IPv4 VRRP Group from VRRPv2 to VRRPv

Strany 927 - Route Leaking VRFs

The VRID range is from 1 to 255.2. Configure virtual IP addresses for this VRID.INTERFACE -VRID modevirtual-address ip-address1 [...ip-address12]The r

Strany 928 - VRRP Overview

When the VRRP process completes its initialization, the State field contains either Master or Backup.Setting VRRP Group (Virtual Router) PrioritySetti

Strany 929 - VRRP Implementation

NOTE: You must configure all virtual routers in the VRRP group the same: you must enable authentication with the same password or authentication is di

Strany 930 - VRRP Configuration

The following example shows how to disable preempt using the no preempt command.Dell(conf-if-gi-1/1)#vrrp-group 111Dell(conf-if-gi-1/1-vrid-111)#no pr

Strany 931

advertise-interval centisecs centisecsThe range is from 25 to 4075 centisecs in units of 25 centisecs.The default is 100 centisecs.Examples of the adv

Strany 932 - Assign Virtual IP addresses

– The valid VLAN IDs are from 1 to 4094.For a virtual group, you can also track the status of a configured object (the track object-id command) by ent

Strany 933

vrrp-group 111 advertise-interval 10 authentication-type simple 7 387a7f2df5969da4 no preempt priority 255 track GigabitEthernet 1/2

Strany 934

To create a route map, use the following command.• Create a route map and assign it a unique name. The optional permit and deny keywords are the actio

Strany 935 - Disabling Preempt

virtual-address 2007::1 virtual-address fe80::1no shutdownSetting VRRP Initialization DelayVRRP initialization delay is supported on the S6000 plat

Strany 936

Sample ConfigurationsBefore you set up VRRP, review the following sample configurations.VRRP for an IPv4 ConfigurationThe following configuration show

Strany 937 - Track an Interface or Object

Examples of Configuring VRRP for IPv4 and IPv6The following example shows configuring VRRP for IPv4 Router 2.R2(conf)#int gi 2/31R2(conf-if-gi-2/31)#i

Strany 938 - Tracking an Interface

Figure 127. VRRP for an IPv6 ConfigurationNOTE: In a VRRP or VRRPv3 group, if two routers come up with the same priority and another router already ha

Strany 939

Although R2 and R3 have the same default, priority (100), R2 is elected master in the VRRPv3 group because the GigE 0/0 interface has a higher IPv6 ad

Strany 940

VRRP in a VRF ConfigurationThe following example shows how to enable VRRP operation in a VRF virtualized network for the following scenarios.• Multipl

Strany 941

Figure 128. VRRP in a VRF: Non-VLAN ExampleExample of Configuring VRRP in a VRF on Switch-1 (Non-VLAN)Switch-1S1(conf)#ip vrf default-vrf 0!S1(conf)#i

Strany 942

!S1(conf)#interface GigabitEthernet 12/3S1(conf-if-gi-12/3)#ip vrf forwarding VRF-3S1(conf-if-gi-12/3)#ip address 20.1.1.5/24S1(conf-if-gi-12/3)#vrrp-

Strany 943

VRRP in VRF: Switch-1 VLAN ConfigurationVRRP in VRF: Switch-2 VLAN ConfigurationSwitch-1S1(conf)#ip vrf VRF-1 1!S1(conf)#ip vrf VRF-2 2!S1(conf)#ip vr

Strany 944

S2(conf-if-vl-100-vrid-101)#priority 255S2(conf-if-vl-100-vrid-101)#virtual-address 10.10.1.2S2(conf-if-vl-100)#no shutdown!S2(conf-if-gi-12/4)#interf

Strany 945 - VRRP in a VRF Configuration

The following example shows a route map with multiple instances. The show config command displays only the configuration of the current route map inst

Strany 946

56S-Series Debugging and DiagnosticsThis chapter describes debugging and diagnostics for the S6000 platform.Offline DiagnosticsThe offline diagnostics

Strany 947 - VLAN Scenario

NOTE: The system reboots when the offline diagnostics complete. This is an automatic process. The following warning message appears when you implement

Strany 948

-- Stack Info --Unit UnitType Status ReqTyp CurTyp Version Ports-------------------------------------------------

Strany 949

S25P, 28 ports)00:09:00: %S25P:2 %CHMGR-0-PS_UP: Power supply 0 in unit 2 is up00:09:00: %STKUNIT1-M:CP %CHMGR-5-STACKUNITUP: Stack unit 2 is up[outpu

Strany 950 - Offline Diagnostics

diagS6000IsPsuGood[954]: ERROR: Psu:1, Power supply is not present.Test 8.001 - Psu1 Fan AirFlow Type Test ...NOT PRESENTTes

Strany 951

Configuring 104 10GbE Ports on the S6000 PlatformThe capability to configure up to 104 10-Gigabit Ethernet ports is supported on the S6000 platform.St

Strany 952

• You can configure a disabled port as a fanout port when the maximum limit is not exceeded. This behavior reduces the number of reloads required to c

Strany 953

This phenomenon occurs because in Release 9.4(0.0), static configuration for the restricted ports is maintained. Validation of the restricted ports is

Strany 954

0 60 52 0 0 0 0 0 64 53 0 0 0

Strany 955 - Configuring Fanout Mode

Hardware Watchdog TimerThe hardware watchdog command automatically reboots an Dell Networking OS switch/router with a single RPM that is unresponsive.

Strany 956

Example of the match Command to Permit and Deny RoutesDell(conf)#route-map force permit 10Dell(config-route-map)#match tag 1000Dell(conf)#route-map fo

Strany 957

RPM 65 60 75 70 80Dell#Troubleshoot an Over-temperature ConditionTo troubleshoot an over-temperature condition, use the follo

Strany 958 - Trace Logs

OID String OID Name DescriptionNOTE: These OIDs only generate if you enable the enable optic-info-update-interval is enabled command.Hardware MIB Buff

Strany 959 - Hardware Watchdog Timer

Physical memory is organized into cells of 128 bytes. The cells are organized into two buffer pools — the dedicated buffer and the dynamic buffer.• De

Strany 960 - Table 76. SNMP Traps and OIDs

Figure 130. Buffer Tuning PointsDeciding to Tune BuffersDell Networking recommends exercising caution when configuring any non-default buffer settings

Strany 961 - Buffer Tuning

BUFFER PROFILE modebuffer dedicated• Change the maximum number of dynamic buffers an interface can request.BUFFER PROFILE modebuffer dynamic• Change t

Strany 962

The following example shows viewing the default buffer profile.Dell#show buffer-profile detail interface gigabitethernet 0/1Interface Gi 0/1Buffer-pro

Strany 963 - Deciding to Tune Buffers

Using a Pre-Defined Buffer ProfileDell Networking OS provides two pre-defined buffer profiles, one for single-queue (for example, non-quality-of-servi

Strany 964

buffer fp-uplink stack-unit 0 port-set 1 buffer-policy fsqueue-hig!Interface range gi 0/1 - 48buffer-policy fsqueue-fpDell#sho run int gi 0/10!interfa

Strany 965

Dell#show hardware stack-unit 0 drops unit 0Port# :Ingress Drops :IngMac Drops :Total Mmu Drops :EgMac Drops :EgressDrops1 0 0 0 0 02 0 0 0 0 03 0 0 0

Strany 966

noMbuf :0 noClus :0 recvd :0 dropped :0 recvToNet :0 rxError :0 rxDatapathErr :0 rxPkt(CO

Strany 967 - Troubleshooting Packet Loss

• Match next-hop routes specified in a prefix list (IPv6).CONFIG-ROUTE-MAP modematch ipv6 next-hop {access-list-name | prefix-list prefix-list-name}•

Strany 968 - Dataplane Statistics

34 over 255-byte pkts, 504838 over 511-byte pkts, 1009638 over 1023-byte pkts 0 Multicasts, 0 Broadcasts, 1649714 Unicasts 0 throttles, 0 discarde

Strany 969 - Display Stack Port Statistics

Mini Core DumpsDell Networking OS supports mini core dumps on the application and kernel crashes. The mini core dump applies to Master, Standby, and M

Strany 970 - Display Stack Member Counters

--------------------FREE MEMORY---------------uvmexp.free = 0x2312Enabling TCP DumpsA TCP dump captures CPU-bound control plane traffic to improve tro

Strany 971 - Mini Core Dumps

57Standards ComplianceThis chapter describes standards compliance for Dell Networking products.NOTE: Unless noted, when a standard cited here is liste

Strany 972 - Enabling TCP Dumps

MTU 9,252 bytesRFC and I-D ComplianceDell Networking OS supports the following standards. The standards are grouped by related protocol. The columns s

Strany 973 - Standards Compliance

General IPv4 ProtocolsThe following table lists the Dell Networking OS support per platform for general IPv4 protocols.Table 79. General IPv4 Protocol

Strany 974 - RFC and I-D Compliance

General IPv6 ProtocolsThe following table lists the Dell Networking OS support per platform for general IPv6 protocols.Table 80. General IPv6 Protocol

Strany 975 - General IPv4 Protocols

RFC# Full Name S-Series/Z-Series2545 Use of BGP-4 Multiprotocol Extensions for IPv6 Inter-Domain Routing2796 BGP Route Reflection: An Alternative to F

Strany 976 - Border Gateway Protocol (BGP)

Intermediate System to Intermediate System (IS-IS)The following table lists the Dell Networking OS support per platform for IS-IS protocol.Table 83. I

Strany 977

MulticastThe following table lists the Dell Networking OS support per platform for Multicast protocol.Table 85. MulticastRFC# Full Name S-Series1112 H

Strany 978

CONFIG-ROUTE-MAP modeset local-preference value• Specify a value for redistributed routes.CONFIG-ROUTE-MAP modeset metric {+ | - | metric-value}• Spec

Strany 979 - Network Management

RFC# Full Name S4810 S4820T Z-SeriesManagement of TCP/IP-based internets1157 A Simple Network Management Protocol (SNMP)7.6.11212 Concise MIB Definiti

Strany 980

RFC# Full Name S4810 S4820T Z-SeriesDigital Hierarchy (SONET/SDH) Interface Type2570 Introduction and Applicability Statements for Internet Standard M

Strany 981

RFC# Full Name S4810 S4820T Z-SeriesradiusAuthClientMalformedAccessResponsesradiusAuthClientUnknownTypesradiusAuthClientPacketsDropped2698 A Two Rate

Strany 982

RFC# Full Name S4810 S4820T Z-SeriesNetwork Management Protocol (SNMP)3418 Management Information Base (MIB) for the Simple Network Management Protoco

Strany 983

RFC# Full Name S4810 S4820T Z-SeriesGateway Protocol (BGP-4) using SMIv2draft-ietf-isis-wgmib- 16Management Information Base for Intermediate System t

Strany 984

RFC# Full Name S4810 S4820T Z-SeriesMultiple Spanning Tree ProtocolsFlow.org sFlow Version 5 7.7.1sFlow.org sFlow Version 5 MIB 7.7.1FORCE10-BGP4-V2-M

Strany 985

RFC# Full Name S4810 S4820T Z-SeriesFORCE10-SS-CHASSIS-MIBForce10 S-Series Enterprise Chassis MIB7.6.1FORCE10-SMI Force10 Structure of Management Info

Strany 986 - MIB Location

In the following example, the redistribute command calls the route map static ospf to redistribute only certain static routes into OSPF. According to

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