show spanning-tree mstp statistics

Display Multiple Spanning Tree Protocol (MSTP) statistics to see MSTP related bridge-level statistics.

Syntax

Default

None

Command Mode

User EXEC

Command Output

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.