show spanning-tree vlan
Command
Show Spanning-Tree Vlan
Use
Shows the spanning tree information for a specific VLAN on the switch. Syntax
Switch#show spanning-tree vlan <number>
Example
In this example, the spanning tree configuration for VLAN 1 is displayed on SW3.
SW3#show spanning-tree vlan 1
VLAN0001
Spanning tree enabled protocol ieee
Root ID Priority 32769
Address 0018.b973.fc80
Cost 19
Port 25 (FastEthernet0/23)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 32769 (priority 32768 sys-id-ext 1)
Address 0019.060c.9400
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 300
Interface Role Sts Cost Prio.Nbr Type
---------------- ---- --- --------- -------- --------------------------------
Fa0/10 Desg FWD 19 128.12 P2p
Fa0/11 Desg FWD 19 128.13 P2p
Fa0/12 Desg FWD 19 128.14 P2p
Fa0/13 Desg FWD 19 128.15 P2p
Fa0/19 Altn BLK 19 128.21 P2p
Fa0/20 Altn BLK 19 128.22 P2p
Fa0/23 Root FWD 19 128.25 P2p
Interface Role Sts Cost Prio.Nbr Type
---------------- ---- --- --------- -------- --------------------------------
Fa0/24 Altn BLK 19 128.26 P2p
SW3# |
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