Dell PowerEdge M520 Dell Converged Enhanced Ethernet Command Reference - Page 193

show spanning-tree mst brief 11 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 There are no default configurations for this command. Command EXEC mode Modes 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 CIST Bridge ID CIST Regional Root ID Priority 32768 Address 0005.1e76.1aa0 Priority 32768 Address 0005.1e76.1aa0 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 interface, show spanning-tree mst instance Dell Converged Enhanced Ethernet Command Reference 177 53-1002115-01