
Spanning Tree Introduction: STP, RSTP, MSTP
©2008 Allied Telesis Inc. All rights reserved.
Software Version 5.2.1
AlliedWare Plus
TM
Operating System Software Reference C613-50003-00 REV E
18.9
Advanced
configuration:
For most networks the default settings for path costs will be suitable, however, you can
configure them if required (
spanning-tree path-cost
).
Configure BPDU Guard
awplus(config)#
spanning-tree portfast bpdu-guard
If required, enable the BPDU Guard feature, and
configure timeout parameters.
awplus(config)#
spanning-tree errdisable-timeout
enable
awplus(config)#
spanning-tree errdisable-timeout
interval <10-1000000>
Check RSTP configuration
awplus(config)#
exit
Return to Privileged Exec mode.
awplus#
show spanning-tree [interface
<port-list>]
Display the spanning tree configuration for the
device, and confirm the new root bridge priority
(Bridge Priority).
Note that the Bridge ID is in a form like this:
80000000cd240331, and that other IDs follow the
same pattern. This is made up of:
■
8000—the devices’ root bridge priority in
hexadecimal
■
0000cd24033
1
—the devices’ MAC address.
Command
Description