Command Reference Guide

3Com Router 3000 Ethernet Family
Command Reference Guide Chapter 3 Bridge Configuration Commands
3Com Corporation
3-19
3.1.22 display bridge spanning-tree
Syntax
display bridge spanning-tree
View
Any view
Parameter
None
Description
Use the display bridge spanning-tree command to view STP state and statistics for
traffic analysis and control.
The command displays these global STP parameters: Root ID, Root Cost, Root Port,
Priority, Max Age, Hello, Hold, Forward Delay, Bridge Address, and Root Bridge
Address.
Example
# Display STP state and statistics.
[Router] display bridge spanning-tree
Current root is me.
Bridge Identifier's priority: 32768 address: 00-e0-fc-0c-a2-91
Configured timer Hello: 2 Max Aging time: 20
Forward: 15 Root port: 0 (All Ports)
cost of root path: 0 Topology change flag: Not Set
Topology change detected flag: Not Set
Times: hold: 1 topology change: 35
notification: 2 hello: 2
max age: 20 forward : 15
aging: 300
Timers: hello: 1 topology change: 0
notification: 0
Port 1:
Port name: Ethernet1/0/0 State: Disable
Port path cost: 19 Port priority: 128
Designated root's priority: 32768 address: 00-e0-fc-0c-a2-91
Designated bridge's priority: 32768 address: 00-e0-fc-0c-a2-91
Designated port: 1 Designated path cost: 0
Timers: message age: 0 forward delay: 0