Reference Guide

Virtual Link Trunking (VLT) | 1027
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 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.
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 highlighted vlt-peer-lag port-channel 2 indicates that port-channel 2 is the
port-channel id configured in VLT peer 2).
s4810-2#show running-config interface tengigabitethernet 0/40
!
interface TenGigabitEthernet 0/40
no ip address
!
port-channel-protocol LACP
port-channel 2 mode active
no shutdown
s4810-2#
configuring VLT peer lag in VLT
s4810-2#show running-config interface port-channel 2
!
interface Port-channel 2
no ip address
switchport
vlt-peer-lag port-channel 2
no shutdown
s4810-2#
s4810-2#show interfaces port-channel 2 brief
Codes: L - LACP Port-channel
LAG Mode Status Uptime Ports
L 2 L2L3 up 03:33:14 Te 0/40 (Up)
s4810-2#
In the ToR unit, configure LACP on the physical ports.
s60-1#show running-config interface tengigabitethernet 0/48
!
interface TenGigabitEthernet 0/48
no ip address