Allied Telesis AlliedWare Plus Operating System Version 5.4.4C (x310-26FT,x310-26FP,x310-50FT,x310-50FP) - Manual (Page 506)

Spanning Tree Commands
Software Reference for x310 Series Switches
19.16 AlliedWare Plus TM Operating System - Version 5.4.4C C613-50046-01 REV A
show spanning-tree brief
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:
Output Figure 19-4: Example output from the show spanning-tree brief command
Related Commands show spanning-tree
Parameter Description
brief A brief summary of spanning tree information.
awplus# show spanning-tree brief
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