show spanning-tree mst-config


show spanning-tree mst-config [vsx-peer]


Displays MSTP instance and corresponding VLANs.

Command context

Operator (>) or Manager (#)



Shows the output from the VSX peer switch. If the switches do not have the VSX configuration or the ISL is down, the output from the VSX peer switch is not displayed. This parameter is available on switches that support VSX.


Operators or Administrators or local user group members with execution rights for this command. Operators can execute this command from the operator context (>) only.


switch# show spanning-tree mst-config
MST configuration information
   MST config ID        : reg
   MST config revision  : 1
   MST config digest    : 2D2BC9A32097B463C48EE1817673FA2D
   Number of instances  : 2

Instance ID     Member VLANs
--------------- ----------------------------------
0               2,4-4094
1               1
2               3