Enterasys D-Series

set spantree backuproot
8-22 Spanning Tree Configuration
set spantree backuproot
UsethiscommandtoenableordisabletheSpanningTreebackuprootfunctionontheswitch.
Syntax
set spantree backuproot sid {disable | enable}
Parameters
Defaults
None.
Mode
Switchcommand,read‐write.
Usage
TheSpanningTreebackuprootfunctionisdisabledbydefaultontheD‐Series.Whenthisfeature
isenabledandtheswitchisdirectlyconnectedtotherootbridge,staleSpanningTreeinformation
ispreventedfromcirculatingiftherootbridgeislost.Iftherootbridgeislost,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:
D2(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instanceonwhichtoenableordisablethe
backuprootfunction.Validvaluesare0‐4094.
disable|enable Enablesordisablesthebackuprootfunction.
sid SpecifiestheSpanningTreeonwhichtoclearthebackuproot
function.Validvaluesare0‐4094.