Viewing MSTP status

View the MSTP status to display the MSTP-related status information known by the selected bridge.

Procedure

  1. To enter User EXEC mode, log on to the switch.
  2. View the MSTP status:

    show spanning-tree mstp status

Example

View the MSTP status:

Switch:1> show spanning-tree mstp status
========================================================================
                               MSTP Status
========================================================================
------------------------------------------------------------------------
Bridge Address                : 00:15:e8:9e:10:01
Cist Root                     : 80:00:00:15:e8:9e:10:01
Cist Regional Root            : 80:00:00:15:e8:9e:10:01
Cist Root Port                : cpp
Cist Root Cost                : 0
Cist Regional Root Cost       : 0
Cist Instance Vlan Mapped     : 1-9,11-12,14-100,102-1024
Cist Instance Vlan Mapped2k   : 1025-2048
Cist Instance Vlan Mapped3k   : 2049-3072
Cist Instance Vlan Mapped4k   : 3073-3999,4001-4094
Cist Max Age                  : 20 seconds
Cist Forward Delay            : 15 seconds