Reference Guide

1524 | Virtual Link Trunking (VLT)
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Command Modes
VLT DOMAIN
Usage
Information
After you configure the VLT domain on each peer switch on both sides of the
interconnect trunk, by default, the FTOS software elects a primary and secondary
VLT peer device. Use the priority command to reconfigure the primary role of VLT
peer switches.
Command
History
show vlt
z
Displays status information about VLT domains currently configured on the switch.
Syntax show vlt [brief | detail]
Defaults
Not configured.
Command Modes
EXEC
Example
(brief)
FTOS(conf)#show vlt brief
VLT Domain Brief
------------------
Domain ID: 10
Role: Primary
Role Priority: 32768
ICL Link Status: Up
HeartBeat Status: Not Established
VLT Peer Status: Up
Version: 5(1)
Local System MAC address: 00:01:e8:8b:14:3c
Remote System MAC address: 00:01:e8:8b:15:20
Remote system version: 5 (1)
Example
(detail)
FTOS# FTOS(conf-if-vl-100)#show vlt detail
Local LAG Id Peer LAG Id Local Status Peer Status Active VLANs
------------ ----------- ------------ ------------ -------------
10 10 UP UP 100, 200, 300
400,
Command
History
Usage
Information
The version shown in the show vlt brief output displays the VLT version number
which is different from the FTOS version number. VLT version numbers are begin
with odd numbers such as 3 or 5.
Version 8.3.19.0 Introduced on S4820T
Version 8.3.8.0 Introduced on S4810
Version 8.3.19.0 Introduced on S4820T
Version 8.3.12.0 Support added for number of VLT instances on S4810. For
show vlt brief,
added support in output for version and delay restore timer. For
show vlt
detail
, added support in output for local LAG status and remote LAG
status.
Version 8.3.8.0 Introduced on S4810.