show spanning-tree

PERDL2#show spanning-tree

MST0
  Spanning tree enabled protocol mstp
  Root ID    Priority    32768
             Address     aabb.cc00.4000
             Cost        0
             Port        7 (Ethernet1/2)
             Hello Time   2 sec  Max Age 20 sec  Forward Delay 15 sec

  Bridge ID  Priority    32768  (priority 32768 sys-id-ext 0)
             Address     aabb.cc00.5000
             Hello Time   2 sec  Max Age 20 sec  Forward Delay 15 sec

Interface           Role Sts Cost      Prio.Nbr Type
------------------- ---- --- --------- -------- --------------------------------
Et1/0               Altn BLK 2000000   128.5    P2p
Et1/1               Altn BLK 2000000   128.6    P2p
Et1/2               Root FWD 2000000   128.7    P2p
Et1/3               Altn BLK 2000000   128.8    P2p



MST1
  Spanning tree enabled protocol mstp
  Root ID    Priority    32769
             Address     aabb.cc00.4000
             Cost        4000000
             Port        7 (Ethernet1/2)
             Hello Time   2 sec  Max Age 20 sec  Forward Delay 15 sec

  Bridge ID  Priority    32769  (priority 32768 sys-id-ext 1)
             Address     aabb.cc00.5000
             Hello Time   2 sec  Max Age 20 sec  Forward Delay 15 sec

Interface           Role Sts Cost      Prio.Nbr Type
------------------- ---- --- --------- -------- --------------------------------
Et1/0               Altn BLK 2000000   128.5    P2p
Et1/1               Altn BLK 2000000   128.6    P2p
Et1/2               Root FWD 2000000   128.7    P2p
Et1/3               Altn BLK 2000000   128.8    P2p



MST2
  Spanning tree enabled protocol mstp
  Root ID    Priority    32770
             Address     aabb.cc00.8000
             Cost        2000000
             Port        7 (Ethernet1/2)
             Hello Time   2 sec  Max Age 20 sec  Forward Delay 15 sec

  Bridge ID  Priority    61442  (priority 61440 sys-id-ext 2)
             Address     aabb.cc00.5000
             Hello Time   2 sec  Max Age 20 sec  Forward Delay 15 sec

Interface           Role Sts Cost      Prio.Nbr Type
------------------- ---- --- --------- -------- --------------------------------
Et1/0               Desg FWD 2000000   128.5    P2p
Et1/1               Desg FWD 2000000   128.6    P2p
Et1/2               Root FWD 2000000   128.7    P2p
Et1/3               Altn BLK 2000000   128.8    P2p


PERDL2#