show spanning-tree mst <INSTANCE-ID> interface


show spanning-tree mst <INSTANCE-ID> interface <IFNAME> [vsx-peer]


Displays MSTP configurations for the given instance ID with corresponding port details.

Command context

Operator (>) or Manager (#)



Specifies the MSTP instance number. Range: 0-64.


Specifies an interface.


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.


Operators or Administrators. Users without administrator authority can execute this command from the operator context (>) only.


switch# show spanning-tree mst 1 interface 1/1/1
Port 1/1/1

Instance       Role           State        Cost       Priority   Vlans mapped
-------------- -------------- ------------ ---------- ---------- ----------
1              Designated     Forwarding   20000      128        1