Configure VLT on Force10 S4810

Configuring VLT is easy. You need just to run the following commands.

Configure a Static LAG between the VLT swithes

configure
interface range fortyGigE 0/56 , fortyGigE 0/60
no shutdown
interface port-channel 128
channel-member fortyGigE 0/56, 60
no shutdown

Configure a VLT Domain on each VLT Peer

On first switch

configure
vlt domain 1
primary-priority 10
back-up destination 1.1.1.2
peer-link port-channel 128

On second switch

configure
vlt domain 1
primary-priority 20
back-up destination 1.1.1.1
peer-link port-channel 128

In a split brain condition setting system mac on vlti configuration can avoid portchannel to shutted down.

As advise use as system-mac the Local System Mac of one switch ’cause it is unique.

 

Configure an LACP LAG for the VLT LAG on each VLT peer

configure
interface range te 0/46 – 47
port-channel-protocol lacp
port-channel 1 mode active
switchport
vlt-peer-lag port-channel 1

For verifying the configuration use the following commands

show vlt brief
show vlt statistics
show vlt backup-link
show vlt detail

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