Technical data

Converged Enhanced Ethernet Command Reference 211
53-1002508-01
show spanning-tree mst brief
2
show spanning-tree mst brief
Displays the status and parameters of the Multiple Spanning Tree Protocol (MSTP) instance
information in brief.
Synopsis show spanning-tree mst brief
Operands None
Defaults None
Command
Modes
Privileged EXEC mode
EXEC mode
Description Use this command to display the status and parameters of the Multiple Spanning Tree Protocol
(MSTP) instance information. It includes the port roles, port states, and port types.
Usage
Guidelines
The following describes the port roles, states, and types:
• Port roles—root port, designated port, alternate port, and backup port
• Port states—discarding, learning, and forwarding
• Port types—edge port (PortFast), point-to-point, and shared port
Examples To display the status and parameters of the MSTP instance information:
switch#show spanning-tree mst brief
Spanning-tree Mode: Multiple Spanning Tree Protocol
CIST Root ID Priority 32768
Address 0005.1e76.1aa0
CIST Bridge ID Priority 32768
Address 0005.1e76.1aa0
CIST Regional Root ID Priority 32768
Address 0005.1e76.1aa0
Configured Hello Time 2, Max Age 20, Forward Delay 15
Max Hops 20, Tx-HoldCount 6
CIST Root Hello Time 2, Max Age 20, Forward Delay 15, Max Hops 20
CIST Root path cost 0
Interface Role Sts Cost Prio Link-type Boundary Edge
-------------------------------------------------------------------------
Te 0/0 DIS DSC 2000 128 P2P Yes No
Te 0/1 ALT BLK 2000 128 P2P Yes No
Te 0/2 RTPT BLK 2000 128 P2P Yes No
Te 0/3 DIS BLK 2000 128 P2P Yes No
Te 0/8 DIS DSC 2000 128 P2P Yes No
Te 0/19 DIS DSC 2000 128 P2P Yes No
Te 0/20 DIS DSC 2000 128 P2P Yes No
See Also show spanning-tree mst instance, show spanning-tree mst interface