Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards
How to Configure EtherSwitch HWICs
38
Book Title
Example
Use the
show spanning
-
tree interface
to verify spanning-tree interface and the spanning-tree port priority
configuration, as illustrated below:
Router#
show spanning-tree interface fastethernet 0/1/6
Port 264 (FastEthernet0/1/6) of VLAN200 is forwarding
Port path cost 19, Port priority 100, Port Identifier 129.8.
Designated root has priority 32768, address 0010.0d40.34c7
Designated bridge has priority 32768, address 0010.0d40.34c7
Designated port id is 128.1, designated path cost 0
Timers: message age 2, forward delay 0, hold 0
Number of transitions to forwarding state: 1
BPDU: sent 0, received 13513
Router#
Configuring Spanning Tree Port Cost
Spanning tree port costs are explained in the following section.
Step 3
interface
{
ethernet
|
fastethernet
}
interface-id
Example:
Router(config)# interface fastethernet 0/1/6
Selects an interface to configure.
Step 4
spanning
-
tree port
-
priority
port
-
priority
Example:
Router(config-if)# spanning-tree port-priority
8
Configures the port priority for an interface.
•
The of port-priority
value
can be from 4 to 252 in
increments of 4.
•
Use the
no
form of this command to restore the
defaults.
Step 5
spanning
-
tree vlan
vlan
-
ID
port
-
priority
port
-
priority
Example:
Router (config-if)# spanning-tree vlan vlan1
port-priority 12
Configures the priority for a VLAN.
Step 6
end
Example:
Router(config)# end
Returns to privileged EXEC mode.
Step 7
show spanning-tree interface fastethernet
interface-id
Example:
Router# show spanning-tree interface
fastethernet 0/1/6
(Optional) Saves your entries in the configuration file.
Command or Action
Purpose
