Dell Force10 Z9000 Uživatelský manuál Strana 627
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Hodnocené. / 5. Na základě hodnocení zákazníků
PROTOCOL PVST mode
no disable
Disabling PVST+
To disable PVST+ globally or on an interface, use the following commands.
• Disable PVST+ globally.
PROTOCOL PVST mode
disable
• Disable PVST+ on an interface, or remove a PVST+ parameter configuration.
INTERFACE mode
no spanning-tree pvst
Example of Viewing PVST+ Configuration
To display your PVST+ configuration, use the show config command from PROTOCOL PVST mode.
Dell_E600(conf-pvst)#show config verbose
!
protocol spanning-tree pvst
no disable
vlan 100 bridge-priority 4096
Influencing PVST+ Root Selection
As shown in the previous per-VLAN spanning tree illustration, all VLANs use the same forwarding
topology because R2 is elected the root, and all GigabitEthernet ports have the same cost.
The following per-VLAN spanning tree illustration changes the bridge priority of each bridge so that a
different forwarding topology is generated for each VLAN. This behavior demonstrates how you can use
PVST+ to achieve load balancing.
Per-VLAN Spanning Tree Plus (PVST+)
627
- 9.5(0.1) 1
- Notes, Cautions, and Warnings 2
- Contents 3
- About this Guide 31
- Configuration Fundamentals 32
- Navigating CLI Modes 34
- The do Command 37
- Undoing Commands 38
- Obtaining Help 39
- Entering and Editing Commands 39
- Command History 40
- Data Center Bridging (DCB) 43
- Getting Started 44
- Accessing the Console Port 45
- Pin Assignments 45
- Default Configuration 47
- Configuring a Host Name 47
- Accessing the System Remotely 47
- Configure a Management Route 48
- Configuration File Management 49
- Viewing Files 51
- Managing the File System 52
- View Command History 54
- Upgrading Dell Networking OS 54
- Using HTTP for File Transfers 55
- Management 57
- Configuring Logging 60
- Audit and Security Logs 61
- Configuring Logging Format 62
- Disabling System Logging 64
- Configuration 66
- Synchronizing Log Messages 68
- File Transfer Services 69
- Terminal Lines 71
- Lock CONFIGURATION Mode 74
- Z9000MXL Switch 78
- Configuring 802.1X 84
- Enabling 802.1X 85
- Re-Authenticating a Port 89
- Configuring Timeouts 90
- Authentication 91
- Configuring a Guest VLAN 93
- CAM Usage 96
- ACLs and VLANs 98
- ACL Optimization 98
- IP Fragment Handling 99
- Layer 4 ACL Rules Examples 100
- Configure a Standard IP ACL 101
- Access Control Lists (ACLs) 102
- Configure an Extended IP ACL 103
- Applying an IP ACL 106
- Configure Ingress ACLs 107
- Configure Egress ACLs 108
- IP Prefix Lists 109
- Implementation Information 110
- Viewing Prefix Lists 112
- ACL Resequencing 114
- Route Maps 116
- Important Points to Remember 116
- Creating a Route Map 117
- Configure Route Map Filters 118
- Configuring Match Routes 119
- Configuring Set Conditions 121
- Logging of ACL Processes 123
- Configuring ACL Logging 125
- ACLs to VLANs 129
- Configuring ACL VLAN Groups 131
- Viewing CAM Usage 133
- How BFD Works 136
- BFD Packet Format 137
- BFD Sessions 139
- BFD Three-Way Handshake 139
- Session State Changes 140
- Configure BFD 141
- Related Configuration Tasks 142
- Enabling BFD Globally 142
- Disabling and Re-Enabling BFD 145
- Configure BFD for OSPF 147
- Disabling BFD for OSPF 149
- Configure BFD for OSPFv3 150
- Configure BFD for IS-IS 151
- Disabling BFD for IS-IS 153
- Configure BFD for BGP 154
- Disabling BFD for BGP 156
- Use BFD in a BGP Peer Group 157
- Configure BFD for VRRP 161
- Configuring Protocol Liveness 164
- Troubleshooting BFD 164
- Autonomous Systems (AS) 166
- Figure 17. Internal BGP 167
- Sessions and Peers 168
- Route Reflectors 169
- BGP Attributes 170
- Best Path Selection Criteria 171
- Best Path Selection Details 172
- Local Preference 173
- Next Hop 176
- Multiprotocol BGP 177
- Four-Byte AS Numbers 178
- AS4 Number Representation 179
- AS Number Migration 180
- Configuration Information 183
- BGP Configuration 183
- Enabling BGP 184
- Configuring Peer Groups 190
- Configuring Passive Peering 194
- Enabling Graceful Restart 197
- Redistributing Routes 201
- Enabling Additional Paths 202
- Changing MED Attributes 207
- Changing the WEIGHT Attribute 209
- Enabling Multipath 209
- Filtering BGP Routes 209
- Aggregating Routes 213
- Enabling Route Flap Dampening 214
- Changing BGP Timers 217
- Enabling MBGP Configurations 219
- Debugging BGP 220
- Storing Last and Bad PDUs 221
- Capturing PDUs 222
- PDU Counters 223
- Sample Configurations 224
- CAM Allocation 230
- Test CAM Usage 232
- View CAM Profiles 232
- View CAM-ACL Settings 233
- View CAM Usage 235
- CAM Optimization 235
- Troubleshoot CAM Profiling 236
- Control Plane Policing (CoPP) 237
- CoPP for OSPFv3 Packets 242
- Increased CPU Queues for CoPP 243
- NDP Packets 244
- Configuring CoPP for OSPFv3 245
- Show Commands 246
- Figure 27. DHCP packet Format 248
- Configuration Tasks 253
- Specifying a Default Gateway 254
- Debugging the DHCP Server 255
- Using DHCP Clear Commands 255
- DHCP Snooping 259
- DHCP Server 259
- Stacking 259
- Virtual Link Trunking (VLT) 259
- VLAN and Port Channels 259
- Configure Secure DHCP 260
- Enabling DHCP Snooping 262
- Clearing the Binding Table 262
- Dynamic ARP Inspection 263
- Bypassing the ARP Inspection 265
- Source Address Validation 266
- Equal Cost Multi-Path (ECMP) 268
- Link Bundle Monitoring 269
- Managing ECMP Group Paths 270
- Creating an ECMP Group Bundle 271
- Enabling FIPS Cryptography 273
- Enabling FIPS Mode 274
- Generating Host-Keys 274
- Monitoring FIPS Mode Status 275
- Disabling FIPS Mode 275
- Protocol Overview 277
- Ring Status 278
- Multiple FRRP Rings 279
- Important FRRP Points 279
- Important FRRP Concepts 279
- Implementing FRRP 281
- FRRP Configuration 281
- Configuring the Control VLAN 282
- Setting the FRRP Timers 284
- Clearing the FRRP Counters 285
- Viewing the FRRP Information 285
- Troubleshooting FRRP 286
- Configure GVRP 289
- Enabling GVRP Globally 290
- Configure GVRP Registration 290
- Configure a GARP Timer 291
- LeaveAll Timer 5000 292
- Dell(conf)# 292
- IGMP Protocol Overview 293
- Join a Multicast Group 294
- Responding to an IGMP Query 294
- Leaving a Multicast Group 294
- IGMP Version 3 295
- Leaving and Staying in Groups 297
- Configure IGMP 298
- Selecting an IGMP Version 299
- Viewing IGMP Groups 300
- Adjusting Timers 300
- Enabling IGMP Immediate-Leave 302
- IGMP Snooping 302
- Disabling Multicast Flooding 303
- Applications 305
- Protocol Separation 306
- Interfaces 315
- Interface Types 316
- Enabling a Physical Interface 318
- Physical Interfaces 318
- Overview of Layer Modes 319
- Management Interfaces 322
- VLAN Interfaces 324
- Loopback Interfaces 325
- Null Interfaces 325
- Port Channel Interfaces 325
- Port Channel Benefits 326
- Port Channel Implementation 326
- Creating a Port Channel 328
- Changing the Hash Algorithm 333
- Bulk Configuration 335
- Create a Multiple-Range 336
- Exclude Duplicate Entries 336
- Exclude a Smaller Port Range 336
- Overlap Port Ranges 336
- Define the Interface Range 337
- Maintenance Using TDR 339
- Support for LM4 Optics 341
- Example Scenarios 342
- Link Dampening 346
- Clearing Dampening Counters 347
- Threshold Settings 349
- Enabling Pause Frames 349
- Table 14. Layer 2 Overhead 350
- Port-Pipes 351
- Set Auto-Negotiation Options 353
- Dynamic Counters 356
- Configuring IPSec 359
- IPv4 Routing 360
- Configuring Static Routes 362
- Messages 365
- Enabling Directed Broadcast 366
- Resolution of Host Names 366
- Configuration Tasks for ARP 369
- Enabling Proxy ARP 369
- Clearing ARP Cache 370
- ARP Learning via ARP Request 371
- Configuring ARP Retries 372
- Configuration Tasks for ICMP 373
- UDP Helper 373
- Enabling UDP Helper 374
- Troubleshooting UDP Helper 377
- IPv6 Routing 379
- IPv6 Headers 380
- IPv6 Header Fields 381
- Extension Header Fields 382
- Addressing 383
- Link-local Addresses 384
- Static and Dynamic Addressing 384
- Path MTU Discovery 387
- IPv6 Neighbor Discovery 388
- Configuration Tasks for IPv6 392
- Assigning a Static IPv6 Route 393
- Configuring Telnet with IPv6 394
- SNMP over IPv6 394
- Showing IPv6 Information 395
- Showing an IPv6 Interface 395
- Showing IPv6 Routes 396
- Clearing IPv6 Routes 398
- IS-IS Protocol Overview 399
- IS-IS Addressing 399
- Multi-Topology IS-IS 400
- Graceful Restart 401
- Enabling IS-IS 404
- Changing LSP Attributes 409
- Table 16. Metric Styles 410
- Configuring the IS-IS Cost 411
- Changing the IS-Type 412
- Controlling Routing Updates 413
- Distribute Routes 413
- Applying IPv4 Routes 413
- Applying IPv6 Routes 414
- Redistributing IPv4 Routes 415
- Redistributing IPv6 Routes 416
- Setting the Overload Bit 417
- Debugging IS-IS 418
- IS-IS Metric Styles 419
- Configure Metric Values 419
- LACP Modes 426
- Configuring LACP Commands 426
- LACP Configuration Tasks 427
- Setting the LACP Long Timeout 428
- Shared LAG State Tracking 429
- Configure a LAG on ALPHA 432
- Port Channels 439
- High-Gigabit Port Channel 442
- Manage the MAC Address Table 444
- MAC Learning Limit 445
- NIC Teaming 449
- Configure Redundant Pairs 450
- Far-End Failure Detection 453
- FEFD State Changes 454
- Configuring FEFD 455
- Enabling FEFD on an Interface 456
- Debugging FEFD 457
- An RPM Failover 458
- 802.1AB (LLDP) Overview 459
- Optional TLVs 460
- Table 22. Optional TLV Types 461
- TIA-1057 (LLDP-MED) Overview 462
- LLDP-MED Capabilities TLV 464
- LLDP-MED Network Policies TLV 465
- Configure LLDP 467
- LLDP Compatibility 468
- Enabling LLDP 469
- Advertising TLVs 470
- Figure 65. Configuring LLDP 471
- Configuring LLDPDU Intervals 473
- Configuring a Time to Live 474
- Debugging LLDP 475
- Relevant Management Objects 476
- NLB Unicast Mode Scenario 482
- NLB Multicast Mode Scenario 483
- Configuring a Switch for NLB 484
- Anycast RP 487
- Enable MSDP 491
- Terminating a Peership 501
- Clearing Peer Statistics 501
- Debugging MSDP 502
- MSDP with Anycast RP 502
- Configuring Anycast RP 504
- MSDP Sample Configurations 507
- Spanning Tree Variations 511
- Modifying Global Parameters 515
- Configuring an EdgePort 517
- MSTP Sample Configurations 518
- Multicast Features 525
- Multicast Policies 527
- Area Types 536
- Networks and Neighbors 537
- Router Types 537
- Backbone Router (BR) 538
- Area Border Router (ABR) 538
- Internal Router (IR) 539
- LSA Throttling 540
- OSPF with Dell Networking OS 541
- OSPF ACK Packing 545
- Assigning a Router ID 547
- Assigning an OSPFv2 Area 549
- Enable OSPFv2 on Interfaces 549
- Configuring Stub Areas 551
- Enabling Passive Interfaces 552
- Enabling Fast-Convergence 553
- Creating Filter Routes 558
- Applying Prefix Lists 558
- Troubleshooting OSPFv2 559
- Basic OSPFv2 Router Topology 561
- OSPF Area 0 — Gl 1/1 and 1/2 561
- OSPF Area 0 — Gl 3/1 and 3/2 562
- OSPF Area 0 — Gl 2/1 and 2/2 562
- Enabling IPv6 Unicast Routing 563
- Configuring Passive-Interface 565
- Configuring a Default Route 566
- Displaying Graceful Restart 567
- Troubleshooting OSPFv3 576
- Policy-based Routing (PBR) 578
- Networking OS 580
- PBR Exceptions (Permit) 583
- Sample Configuration 585
- Create the Redirect-List GOLD 586
- View Redirect-List GOLD 587
- PIM Sparse-Mode (PIM-SM) 588
- Refuse Multicast Traffic 589
- Send Multicast Traffic 589
- Configuring PIM-SM 590
- Enable PIM-SM 590
- Configuring S,G Expiry Timers 591
- Configure PIM-SMM 596
- Enabling PIM-SSM 596
- Port Monitoring 599
- Configuring Port Monitoring 601
- Remote Port Mirroring 604
- Configuration Notes 605
- Restrictions 607
- Configuration steps for ERPM 611
- Private VLANs (PVLAN) 615
- Configuration Task List 617
- Creating a Primary VLAN 618
- Creating a Community VLAN 619
- Creating an Isolated VLAN 620
- Enabling PVST+ 626
- Disabling PVST+ 627
- PVST+ Sample Configurations 633
- Quality of Service (QoS) 635
- Port-Based QoS Configurations 637
- Classify Traffic 641
- Creating a Layer 2 Class Map 642
- Create a QoS Policy 644
- Creating an Input QoS Policy 645
- Creating an Output QoS Policy 645
- Create Policy Maps 646
- DSCP Color Maps 649
- Creating a DSCP Color Map 649
- Displaying DSCP Color Maps 650
- Creating Output Policy Maps 651
- Enabling QoS Rate Adjustment 652
- Creating WRED Profiles 654
- Marking Packets 660
- Enabling RIP Globally 668
- Configure RIP on Interfaces 669
- Generating a Default Route 672
- Summarize Routes 672
- Controlling Route Metrics 673
- Debugging RIP 673
- RIP Configuration Example 674
- Core 2 RIP Output 675
- RIP Configuration on Core3 676
- Core 3 RIP Output 676
- RIP Configuration Summary 678
- Remote Monitoring (RMON) 680
- Setting the rmon Alarm 681
- Configuring an RMON Event 682
- Security 695
- AAA Authentication 697
- Enabling AAA Authentication 699
- AAA Authorization 700
- Resetting a Z9000 Password 705
- RADIUS Authentication 706
- ACL Configuration Information 707
- Auto-Command 707
- Privilege Levels 707
- Monitoring RADIUS 710
- TACACS+ Remote Authentication 712
- Enabling SCP and SSH 713
- Secure Shell Authentication 718
- Troubleshooting SSH 721
- Role-Based Access Control 723
- Overview of RBAC 724
- User Roles 726
- Creating a New User Role 727
- Role Accounting 733
- Displaying User Roles 734
- Service Provider Bridging 736
- Configure VLAN Stacking 738
- Debugging VLAN Stacking 740
- VLAN Stacking 741
- Enabling Drop Eligibility 744
- Layer 2 Protocol Tunneling 748
- Setting Rate-Limit BPDUs 751
- Provider Backbone Bridging 752
- Overview 753
- Enabling Extended sFlow 754
- Displaying Show sFlow Global 755
- Back-Off Mechanism 757
- SNMPv3 Compliance With FIPS 761
- Set up SNMP 763
- Creating a Community 764
- Reading Managed Object Values 765
- Writing Managed Object Values 766
- Copying a Configuration File 773
- Manage VLANs using SNMP 777
- Managing Overload on Startup 779
- Deriving Interface Indices 782
- Monitor Port-Channels 783
- Storm Control 785
- Spanning Tree Protocol (STP) 786
- Enabling PortFast 792
- Selecting STP Root 795
- STP Root Guard 796
- Configuring Root Guard 797
- STP Loop Guard 799
- Configuring Loop Guard 800
- System Time and Date 802
- Enabling NTP 804
- Configuring NTP Broadcasts 805
- Disabling NTP on an Interface 805
- Setting the Timezone 810
- Set Daylight Saving Time 810
- Tunneling 813
- Interfaces for Tunnels 817
- Upgrade Procedures 818
- Virtual LANs (VLANs) 819
- Port-Based VLANs 820
- VLANs and Port Tagging 820
- Moving Untagged Interfaces 823
- Configuring Native VLANs 825
- VLT on Core Switches 828
- Enhanced VLT 828
- VLT Terminology 829
- RSTP and VLT 835
- VLT Bandwidth Monitoring 835
- VLT and IGMP Snooping 836
- VLT IPv6 836
- VLT Port Delayed Restoration 836
- VLT Routing 838
- Configuring VLT Unicast 839
- VLT Multicast Routing 839
- Non-VLT ARP Sync 840
- RSTP Configuration 841
- Configuring VLT 842
- Configuring a VLT Backup Link 844
- VLT Sample Configuration 849
- Verifying a VLT Configuration 857
- Access Switch) 862
- Troubleshooting VLT 863
- VLT Proxy Gateway 874
- VRRP Overview 880
- VRRP Benefits 881
- VRRP Implementation 881
- VRRP Configuration 882
- Assign Virtual IP addresses 884
- Disabling Preempt 887
- Track an Interface or Object 889
- Tracking an Interface 890
- VRRP in a VRF Configuration 898
- VLAN Scenario 900
- 192.168.0.254 903
- Authentication: (none) 903
- Offline Diagnostics 904
- TRACE Logs 908
- Last Restart Reason 909
- Hardware Watchdog Timer 909
- Environmental Monitoring 912
- Table 59. SNMP Traps and OIDs 913
- Buffer Tuning 914
- Buffer Tuning Points 915
- Decide to Tune Buffers 915
- Troubleshooting Packet Loss 918
- Displaying Drop Counters 919
- Mini Core Dumps 922
- Enabling TCP Dumps 922
- Standards Compliance 924
- RFC and I-D Compliance 925
- General IPv4 Protocols 926
- General IPv6 Protocols 927
- Border Gateway Protocol (BGP) 927
- Multicast 930
- Network Management 930
- MIB Location 937
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