The Configuration - Cisco 4500M Software Manual

Configuring STP
This example shows how to display the details of the interface configuration when the interface is
configured as an access port:
Switch# show spanning-tree interface fastethernet 3/1 detail
Port 129 (FastEthernet3/1) of VLAN0001 is forwarding
Port path cost 19, Port priority 128, Port Identifier 128.129.
Designated root has priority 32768, address 0003.6b10.e800
Designated bridge has priority 32768, address 0003.6b10.e800
Designated port id is 128.129, designated path cost 0
Timers:message age 0, forward delay 0, hold 0
Number of transitions to forwarding state:1
Link type is point-to-point by default
BPDU:sent 187, received 1
Port 129 (FastEthernet3/1) of VLAN1002 is forwarding
Port path cost 19, Port priority 128, Port Identifier 128.129.
Designated root has priority 32768, address 0003.6b10.ebe9
Designated bridge has priority 32768, address 0003.6b10.ebe9
Designated port id is 128.129, designated path cost 0
Timers:message age 0, forward delay 0, hold 0
Number of transitions to forwarding state:1
Link type is point-to-point by default
BPDU:sent 94, received 2
Port 129 (FastEthernet3/1) of VLAN1003 is forwarding
Port path cost 19, Port priority 128, Port Identifier 128.129.
Designated root has priority 32768, address 0003.6b10.ebea
Designated bridge has priority 32768, address 0003.6b10.ebea
Designated port id is 128.129, designated path cost 0
Timers:message age 0, forward delay 0, hold 0
Number of transitions to forwarding state:1
Link type is point-to-point by default
BPDU:sent 94, received 2
Port 129 (FastEthernet3/1) of VLAN1004 is forwarding
Port path cost 19, Port priority 128, Port Identifier 128.129.
Designated root has priority 32768, address 0003.6b10.ebeb
Designated bridge has priority 32768, address 0003.6b10.ebeb
Designated port id is 128.129, designated path cost 0
Timers:message age 0, forward delay 0, hold 0
Number of transitions to forwarding state:1
Link type is point-to-point by default
BPDU:sent 95, received 2
Port 129 (FastEthernet3/1) of VLAN1005 is forwarding
Port path cost 19, Port priority 128, Port Identifier 128.129.
Designated root has priority 32768, address 0003.6b10.ebec
Designated bridge has priority 32768, address 0003.6b10.ebec
Designated port id is 128.129, designated path cost 0
Timers:message age 0, forward delay 0, hold 0
Number of transitions to forwarding state:1
Link type is point-to-point by default
BPDU:sent 95, received 2
Switch#
The show spanning-tree port-priority command displays only information for ports with an active
Note
link. If there is no port with an active link, enter a show running-config interface command to verify

the configuration.

Software Configuration Guide—Release 12.2(25)EW
14-14
Chapter 14 Understanding and Configuring STP
OL-6696-01