R1: show spanning tree

 VLAN12 is executing the ieee compatible Spanning Tree protocol
  Bridge Identifier has priority 32768, address 54a2.742c.ba83
  Configured hello time 2, max age 20, forward delay 15
  We are the root of the spanning tree
  Topology change flag not set, detected flag not set
  Number of topology changes 1 last change occurred 01:55:59 ago
          from FastEthernet0/1/3
  Times:  hold 1, topology change 35, notification 2
          hello 2, max age 20, forward delay 15 
  Timers: hello 0, topology change 0, notification 0, aging 300

 Port 14 (FastEthernet0/1/3) of VLAN12 is forwarding
   Port path cost 19, Port priority 128, Port Identifier 128.14.
   Designated root has priority 32768, address 54a2.742c.ba83
   Designated bridge has priority 32768, address 54a2.742c.ba83
   Designated port id is 128.14, designated path cost 0
   Timers: message age 0, forward delay 0, hold 0
   Number of transitions to forwarding state: 1
   BPDU: sent 3487, received 0


 VLAN13 is executing the ieee compatible Spanning Tree protocol
  Bridge Identifier has priority 32768, address 54a2.742c.ba84
  Configured hello time 2, max age 20, forward delay 15
  We are the root of the spanning tree
  Topology change flag not set, detected flag not set
  Number of topology changes 1 last change occurred 01:55:56 ago
          from FastEthernet0/1/0
  Times:  hold 1, topology change 35, notification 2
          hello 2, max age 20, forward delay 15 
  Timers: hello 0, topology change 0, notification 0, aging 300

 Port 11 (FastEthernet0/1/0) of VLAN13 is forwarding
   Port path cost 19, Port priority 128, Port Identifier 128.11.
   Designated root has priority 32768, address 54a2.742c.ba84
   Designated bridge has priority 32768, address 54a2.742c.ba84
   Designated port id is 128.11, designated path cost 0
   Timers: message age 0, forward delay 0, hold 0
   Number of transitions to forwarding state: 1
   BPDU: sent 3485, received 0