42 PowerEdge FX2 – FN I/O Module – VLT Deployment Guide | Version 2.2
7.3 Verifying VLT Connectivity
VLT connectivity can be checked using the VLT commands listed in Table 8.
show commands
Displays brief information about the VLT
configuration
Displays running configuration for VLT
members
Displays the MAC address table
On each switch participating in VLT, perform a show vlt brief, show vlt detail and show
mac-address-table. On the access switch, perform a show mac-address-table.
show vlt brief
The Role (Primary or Secondary) should be appropriate for the switch. The status of the ICL Link,
HeartBeat and VLT Peer must all be up.
show vlt detail
This command shows the local LAG ID, the peer LAG ID, the local status of the VLT, the peer status of
the VLT and the active VLANs for the VLT.
In order for the LAG to be functional, the Local Status and Peer Status must be UP.
show mac-address-table
Each switch should be learning the upstream and downstream MAC addresses using all local port
channels.