Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards
How to Configure EtherSwitch HWICs
36
Book Title
•
Configuring the Forward-Delay Time for a VLAN, page 42
•
Configuring the Maximum Aging Time for a VLAN, page 43
•
Configuring the Root Bridge, page 44
Enabling Spanning Tree
You can enable spanning tree on a per-VLAN basis. The switch maintains a separate instance of
spanning tree for each VLAN (except on VLANs on which you disable spanning tree).
SUMMARY STEPS
1.
enable
2.
configure terminal
3.
spanning-tree vlan
vlan-ID
4.
end
5.
show spanning-tree vlan
vlan-id
DETAILED STEPS
Example
Command or Action
Purpose
Step 1
enable
Example:
Router> enable
Enables privileged EXEC mode.
•
Enter your password if prompted.
Step 2
configure
terminal
Example:
Router# configure terminal
Enters global configuration mode.
Step 3
spanning
-
tree vlan
vlan
-
ID
Example:
Router(config)# spanning-tree vlan 200
Enables spanning tree on a per-VLAN basis
Step 4
end
Example:
Router(config)# end
Returns to privileged EXEC mode.
Step 5
show spanning-tree vlan
vlan-id
Example:
Router# show spanning-tree vlan 200
Verifies spanning tree configuration