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Displaying VBST Running Information and Statistics
Context
You can view the VBST running information and statistics on VBST BPDUs. If the number of topology change times increases, network flapping occurs.
Procedure
- Run the display stp vlan [ vlan-id ] information [ brief | global ] command to check the status of, statistics on, and global brief information about the spanning tree.
- Run the display stp vlan [ vlan-id ] bridge { root | local } command to check the spanning tree status of the local bridge and root bridge.
- Run the display stp vlan instance command to check the mapping between instances and VLANs.
- Run the display stp vlan [ vlan-id ] bpdu statistics command to check statistics on BPDUs on the VBST-enabled port.
- Run the display stp vlan [ vlan-id ] tc-bpdu statistics command to check statistics on TC or TCN BPDUs on the VBST-enabled port.
- Run the display stp vlan [ vlan-id ] topology-change command to check VBST topology change statistics.