
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 peers.
Configure the VLT domain with the same ID in VLT peer 1 and VLT peer 2.
s4810-2(conf)#vlt domain 5
s4810-2(conf-vlt-domain)#
s4810-4(conf)#vlt domain 5
s4810-4(conf-vlt-domain)#
Configure the VLTi between VLT peer 1 and VLT peer 2.
1. You can configure the LACP/static LAG between the peer units (not shown).
2. Configure the peer-link port-channel in the VLT domains of each peer unit.
s4810-2(conf)#interface port-channel 1
s4810-2(conf-if-po-1)#channel-member TenGigabitEthernet 0/4-7
s4810-4(conf)#interface port-channel 1
s4810-4(conf-if-po-1)#channel-member TenGigabitEthernet 0/4-7
Configure the backup link between the VLT peer units.
1. Configure the peer 2 management ip/ interface ip for which connectivity is present in VLT peer 1.
2. Configure the peer 1 management ip/ interface ip for which connectivity is present in VLT peer 2.
s4810-2#show running-config vlt
!
vlt domain 5
peer-link port-channel 1
back-up destination 10.11.206.58
s4810-2#
s4810-2# show interfaces managementethernet 0/0
Internet address is 10.11.206.43/16
s4810-4#show running-config vlt
!
vlt domain 5
peer-link port-channel 1
back-up destination 10.11.206.43
s4810-4#
s4810-4#show running-config interface managementethernet 0/0
ip address 10.11.206.58/16
no shutdown
Configure the VLT links between VLT peer 1 and VLT peer 2 to the Top of Rack unit. In the following
example, port Te 0/40 in VLT peer 1 is connected to Te 0/48 of TOR and port Te 0/18 in VLT peer 2 is
connected to Te 0/50 of TOR.
1. Configure the static LAG/LACP between the ports connected from VLT peer 1 and VLT peer 2 to the
Top of Rack unit.
2. Configure the VLT peer link port channel id in VLT peer 1 and VLT peer 2.
880
Virtual Link Trunking (VLT)
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