White Papers

Table Of Contents
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.
Dell-2(conf)#interface port-channel 1
Dell-2(conf-if-po-1)#channel-member TenGigabitEthernet 1/4-7
Dell-4(conf)#interface port-channel 1
Dell-4(conf-if-po-1)#channel-member TenGigabitEthernet 1/4-7
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.
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.
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-channel 2 indicates that port-channel 2 is the port-channel id configured in VLT peer 2).
Dell-2#show running-config interface tengigabitethernet 1/4
!
interface TenGigabitEthernet 1/4
no ip address
!
port-channel-protocol LACP
port-channel 2 mode active
no shutdown
configuring VLT peer lag in VLT
Dell-2#show running-config interface port-channel 2
!
interface Port-channel 2
no ip address
switchport
vlt-peer-lag port-channel 2
no shutdown
Dell-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 1/4 (Up)
In the ToR unit, configure LACP on the physical ports.
s60-1#show running-config interface tengigabitethernet 1/8
!
interface TenGigabitEthernet 1/8
no ip address
!
port-channel-protocol LACP
port-channel 100 mode active
no shutdown
s60-1#show running-config interface tengigabitethernet 1/30
!
interface TenGigabitEthernet 1/30
no ip address
!
port-channel-protocol LACP
port-channel 100 mode active
no shutdown
s60-1#show running-config interface port-channel 100
!
interface Port-channel 100
no ip address
switchport
no shutdown
s60-1#show interfaces port-channel 100 brief
890
Virtual Link Trunking (VLT)