Installation guide

Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards
How to Configure EtherSwitch HWICs
30
Cisco IOS Release 12.3(8)T4
OL-6454-01
Number of transitions to forwarding state: 1
BPDU: sent 0, received 13513
Router#
Configuring the Bridge Priority of a VLAN
To configure the spanning tree bridge priority of a VLAN, use the following command in global
configuration mode:
Caution Exercise care when using this command. For most situations spanning-tree vlan vlan_ID root primary
and the spanning-tree vlan vlan_ID root secondary are the preferred commands to modify the bridge
priority.
Verifying the Bridge Priority of a VLAN
Use the show spanning-tree vlan bridge command to verify the bridge priority, as illustrated below:
Router# show spanning-tree vlan 200 bridge brief
Hello Max Fwd
Vlan Bridge ID Time Age Delay Protocol
---------------- -------------------- ---- ---- ----- --------
VLAN200 33792 0050.3e8d.64c8 2 20 15 ieee
Router#
Configuring the Hello Time
To configure the hello interval for the spanning tree, use the following command in global configuration
mode:
Command Purpose
Router(config)# [no] spanning-tree vlan vlan _ ID
priority bridge _ priority
Configures the bridge priority of a VLAN. The bridge_priority
value can be from 1 to 65535.
Use the no form of this command to restore the defaults.
Command Purpose
Router(config)# [no] spanning-tree vlan vlan _ ID
hello-time hello _t ime
Configures the hello time of a VLAN. The hello_time value can be
from 1 to 10 seconds.
Use the no form of this command to restore the defaults.