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Command Reference for AT-IX5-28GPX High Availability, High Power Video Surveillance PoE Switch
C613-50057-01 REV A
AlliedWare Plus™ Operating System - Version 5.4.5-0.x
S
PANNING
T
REE
C
OMMANDS
SHOW
SPANNING
-
TREE
BRIEF
show spanning-tree brief
Overview
Use this command to display a summary of spanning tree status information on all
ports. Use this command for RSTP, MSTP or STP.
Syntax
show spanning-tree brief
Mode
User Exec and Privileged Exec
Usage
Note that any list of interfaces specified must not span any interfaces that are not
installed.
A topology change counter has been included for RSTP and MSTP. You can see the
topology change counter for RSTP by using the
show spanning-tree
command.
You can see the topology change counter for MSTP by using the
show
spanning-tree mst instance
command.
Example
To display a summary of spanning tree status information, use the command:
awplus#
show spanning-tree brief
Output
Figure 12-4:
Example output from the
show spanning-tree brief
command
Related
Commands
show spanning-tree
Parameter
Description
brief
A brief summary of spanning tree information.
Default: Bridge up - Spanning Tree Enabled
Default: Root Path Cost 40000 - Root Port 4501 - Bridge Priority 32768
Default: Root Id 8000:0000cd250001
Default: Bridge Id 8000:0000cd296eb1
Port Designated Bridge Port Id Role State
sa1 8000:001577c9744b 8195 Rootport Forwarding
po1 8000:0000cd296eb1 81f9 Designated Forwarding
port1.0.1 8000:0000cd296eb1 8389 Disabled Discarding
port1.0.2 8000:0000cd296eb1 838a Disabled Discarding
port1.0.3 8000:0000cd296eb1 838b Disabled Discarding
port1.0.4 8000:0000cd296eb1 838c Disabled Discarding
port1.0.5 8000:0000cd296eb1 838d Disabled Discarding
port1.0.6 8000:0000cd296eb1 838e Disabled Discarding
