Verifying the Basic VBST Configuration

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.
Run the display stp region-configuration [ digest ] command to check the mapping between instances and VLANs.