Verifying the Configuration of VBST Parameters That Affect VBST Convergence

Run the display stp [ vlan vlan-id ] [ interface interface-type interface-number | slot slot-id ] [ brief ] command to check the spanning tree status and statistics.
Run the display stp [ vlan vlan-id ] active command to check details of and statistics on spanning trees of all ports in Up state.
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 global command to check the summary of the spanning tree protocol.