The statistics about STP/Rapid Spanning Tree Protocol (RSTP) topology changes can be viewed. If the statistics increase, network flapping occurs.
Procedure
- Run the display stp topology-change command to view the statistics about STP/RSTP topology changes.
- Run the display stp [ interface interface-type interface-number | vsi vsi-name pw pw-name | slot slot-id ] tc-bpdu statistics command to view the statistics about sent and received Topology Change (TC)/Topology Change Notification (TCN) packets.