Verifying the Configuration of VBST Protection Functions

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