Enterasys Matrix DFE-Gold Series

Configuring Spanning Tree Bridge Parameters set spantree backuproot
6-42 Spanning Tree Configuration
set spantree backuproot
UsethiscommandtoenableordisabletheSpanningTreebackuprootfunction.
Syntax
set spantree backuproot sid {enable | disable}
Parameters
Defaults
None.
Mode
Switchcommand,Read‐Write.
Usage
Enabledbydefaultonbridge(s)directlyconnectedtotherootbridge,thispreventsstaleSpanning
Treeinformationfromcirculatingintheeventtherootbridgeislost.Ifthishappens,thebackup
rootwilldynamicallyloweritsbridgeprioritysothatitwillbeselectedasthenewrootoverthe

lostrootbridge.
Example
ThisexampleshowshowtoenablethebackuprootfunctiononSID2:
Matrix(rw)->set spantree backuproot 2 enable
clear spantree backuproot
UsethiscommandtoresettheSpanningTreebackuprootfunctiontothedefaultstateofdisabled.
Syntax
clear spantree backuproot sid
Parameters
Defaults
None.
Mode
Switchcommand,Read‐Write.
sid SpecifiestheSpanningTreeonwhichtoenableordisablethebackup
rootfunction.Validvaluesare0‐4094.
enable|disable Enablesordisablesthebackuprootfunction.
sid SpecifiestheSpanningTreeonwhichtoresetthebackuprootfunction.
Validvaluesare0‐4094.