Per VLAN Spanning Tree +
Left running head: 
Chapter name (automatic)
208
Beta Beta
OmniAccess 5740 Unified Services Gateway CLI Configuration Guide
Alcatel-Lucent
T
O VIEW THE PVST+ DETAILS ON A VLAN
E
XAMPLE 1
ALU# show spanning-tree vlan 2
Spanning tree 2 is executing the IEEE compatible Spanning Tree Protocol
Bridge Identifier has priority 32768, address 00.11.8b.00.27.21
  Configured hello time 2, max age 20,forward delay 15
  Current root has priority 2, address 00.07.50.0c.a1.03
  Root port is 128.8 cost of root path is 4
  Topology change flag not set, detected flag not set
  Times:  hold 1, topology change 35, notification 2
          hello 2, max age 20, forward delay 15
  Timers: hello 0, topology change 0, notification 0
Interface switchport0/0 (port 8) in Spanning tree 2 is Forwarding
   Port path cost 4, Port priority 128
   Designated root has priority 2, address 00.07.50.0c.a1.03
   Designated bridge has priority 2, address 00.07.50.0c.a1.03
   Designated port Id is 128.13 path cost 4
   Timers: message age 0, forward delay 0, hold 0
   BPDU: sent 0, received 535
EXAMPLE 2
ALU(config)# show spanning-tree vlan 1
Spanning tree 1 is executing the IEEE compatible Spanning Tree Protocol
  Bridge Identifier has priority 32768, address 00.11.8b.00.27.12
  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
  Times:  hold 1, topology change 35, notification 2
          hello 2, max age 20, forward delay 15
  Timers: hello 1, topology change 0, notification 0
Interface switchport1/0 (port 8) in Spanning tree 1 is Forwarding
   Port path cost 4, Port priority 128
   Designated root has priority 32768, address 00.11.8b.00.27.12
   Designated bridge has priority 32768, address 00.11.8b.00.27.12
   Designated port Id is 128.8 path cost 0
   Timers: message age 0, forward delay 0, hold 0
   BPDU: sent 120, received 0
Interface switchport1/1 (port 7) in Spanning tree 1 is Forwarding
   Port path cost 4, Port priority 128
   Designated root has priority 32768, address 00.11.8b.00.27.12
   Designated bridge has priority 32768, address 00.11.8b.00.27.12
   Designated port Id is 128.7 path cost 0
   Timers: message age 0, forward delay 0, hold 0
   BPDU: sent 120, received 0
Interface switchport1/2 (port 6) in Spanning tree 1 is Forwarding
   Port path cost 4, Port priority 128
   Designated root has priority 32768, address 00.11.8b.00.27.12
   Designated bridge has priority 32768, address 00.11.8b.00.27.12
Command (in SUM/CM) Description
show spanning-tree vlan  
<1-4094>
This command displays the VLAN based 
spanning tree information.