Viewing RSTP Statistics

About this task

View Rapid Spanning Tree Protocol statistics to manage network performance.

View RSTP stats with the following command:

show spanning-tree rstp statistics

The following table describes output for the show spanning-tree rstp statistics command.

Table 1. show spanning-tree rstp statistics field descriptions
Parameter	Description
RSTP Up Count	The number of times RSTP port has been enabled. A Trap is generated on the occurence of this event.
RSTP Down Count	The number of times RSTP port has been disabled. A Trap is generated on the occurence of this event.
Count of Root Bridge Changes	The number of times this Bridge has detected a Root Bridge change for Common Spanning Tree context.
STP 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 this spanning tree instance.
Total number of topology changes	The number of times that there have been atleast one non zero "TcWhile" Timer on this Bridge for this spanning tree instance.