MST0
  Spanning tree enabled protocol mstp
  Root ID    Priority    32768
             Address     0010.001b.c54b
             This bridge is the root

  Bridge ID  Priority    32768  (priority 32768 sys-id-ext 0)
             Address     0010.001b.c54b
             Hello Time  2.000 sec  Max Age 20 sec  Forward Delay 15 sec

Interface        Role       State      Cost      Prio.Nbr Type
---------------- ---------- ---------- --------- -------- --------------------
Et4              designated forwarding 2000      128.4    P2p Edge                      
Et5              designated forwarding 2000      128.5    P2p Edge                      
Et6              designated forwarding 2000      128.6    P2p Edge                      
Et7              designated forwarding 2000      128.7    P2p Edge                      

