Display Multiple Spanning Tree Protocol (MSTP) statistics to see MSTP related bridge-level statistics.
show spanning-tree mstp statistics
None
User EXEC
The show spanning-tree mstp statistics command displays the following information:
| Output field | Description | 
|---|---|
| MSTP Up Count | The number of times the MSTP port has been enabled. A Trap is generated on the occurrence of this event. | 
| MSTP Down Count | The number of times the MSTP port has been disabled. A Trap is generated on the occurrence of this event. | 
| Region Config Change Count | The number of times the switch detects a Region Configuration Identifier Change. The switch generates a trap on the occurrence of this event. | 
| Time since topology change | The time (in hundredths of a second) since the TcWhile Timer for any port in this Bridge was non-zero for Common Spanning Tree context. | 
| Topology change count | The count of at least one non zero TcWhile timers on this Bridge for Common Spanning Tree context. | 
| New Root Bridge Count | The number of times this Bridge has detected a Root Bridge change for Common Spanning Tree context. A Trap is generated on the occurrence of this event. |