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Enterasys D2 D2G124-12P User Manual

Enterasys D2 D2G124-12P
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set spantree spanguard
D-Series CLI Reference 6-25
Defaults
None.
Mode
Switchcommand,readonly.
Example
ThisexampleshowshowtodisplaytheSpanGuardfunctionstatus:
D2(su)->show spantree spanguard
Spanguard is disabled
set spantree spanguard
UsethiscommandtoenableordisabletheSpanningTreeSpanGu ardfunction.
Syntax
set spantree spanguard {enable | disable}
Parameters
Defaults
None.
Mode
Switchcommand,readwrite.
Usage
SpanGuardisdesignedtodisable,orlockoutan“edge”portwhenanunexpectedBPDUis
received.Theportcanbeconfiguredtobereenabledafterasettimeperiod,oronlyaftermanual
intervention.
Aportcanbedefinedasanedge(user)portusingthesetspantreeadminedge
command,
describedinsetspantreeadminedgeonpage 637.Aportdesignatedasanedgeportis
expectedtobeconnectedtoaworkstationorotherendusertypeofdevice,andnottoanother
switchinthenetwork.WhenSpanguardisenabled,ifanonloopbackBPDUis
receivedonan
edgeport,theSpanningTreestateofthatportwillbechangedto“blocking”andwillnolonger
forwardtraffic.Theport willremaindisableduntiltheamountoftimedefinedbysetspantree
spanguardtimeout(“setspantreespanguardtimeoutonpage 626)haspassedsincethelastseen
BPDU,theportismanuallyunlocked(setorclearspantreespanguardlock,clear/setspantree
spanguardlockonpage 628),theconfigurationoftheportischangedsoitisnotlongeranedge
port,ortheSpanGuardfunctionisdisabled.
SpanGuardisenabledanddisabledonlyonaglobal
basis.Bydefault,SpanGuardisdisabledand
SpanGuardtrapsareenabled.
Example
ThisexampleshowshowtoenabletheSpanGuardfunction:
D2(rw)->set spantree spanguard enable
enable|disable EnablesordisablestheSpanGuardfunction.

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Enterasys D2 D2G124-12P Specifications

General IconGeneral
BrandEnterasys
ModelD2 D2G124-12P
CategoryNetwork Router
LanguageEnglish

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