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Enterasys Networks XSR CLI Router User Manual

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Policy-Map Commands

XSR CLI Reference Guide 12-85

• random-detect exponential-weighting-constant‐ConfigurestheWREDexponential

weightfactorfortheaveragequeuesizecalculation.Refertopage12‐95forthecommand

definition.

•

random-detect precedence ‐ConfiguresWREDminimumandmaximumthresholdand

maximumdropprobabilityvaluesforaIPprecedencevalue.Gotopage12‐96forthe

commanddefinition.

•

set cos‐MarkstheIEEE802.1priorityintheheaderofoutputVLANpacketswithaClassof

Service(CoS)matchingclause.Gotopage12‐97forthecommanddefinition.

•

set ip dscp‐MarksapacketbysettingtheIPDifferentiatedServicesCodePoint(DSCP)

parameter.Gotopage12‐98forthecommanddefinition.

•

set ip precedence‐SetstheprecedencevalueintheIPheader.Gotopage12‐99forthe

commanddefinition.

•

shape‐Enablesandconfigurestrafficshapingonaclass.Gotopage12‐100forthecommand

definition.

Usethe

policy-mapcommandtospecifythenameofthepolicymaptobecreated,addedto,or

modifiedbeforeyoucanconfigurepoliciesforclasseswhosematchcriteriaaredefinedinaclass

map.Invokingthe

policy-map commandenablesQoSPolicy‐Mapconfigurationmodeinwhich

youcanconfigureormodifytheclasspoliciesforthatpolicymap.

Youcanconfigureclasspoliciesinapolicymaponlyiftheclasseshavematchcriteriadefinedfor

them.Youusethe

class-map and match commandstoconfigurethematchcriteriaforaclass.

Youcanconfigureupto64classpoliciesinapolicymap.

Asinglepolicymapcanbeattachedtomultipleinterfacesconcurrently.Ifyouattem pttoattacha

policymaptoaninterfaceandavailablebandwidthontheinterfacecannotaccommodate

thetotal

bandwidthrequestedbyclasspoliciescomprisingthepolicymap,theinterfacebecomes 

oversubscribed.Insuchacase,whenclassestrytosendwithalloftheirbandwidth,someclasses

maybeunabletotransmit.

Wheneveryoumodifyclasspolicyinanattachedpolicymap,CBWFQ isnotifiedandthe

new

classesareinstalledaspartofthepolicymapintheCBWFQsystem.

Syntax

policy-map policy-map-name

Syntax of the “no” Form

Usethenoformofthiscommandtodeleteapolicymap:

no policy-map policy-map-name

Mode

Globalconfiguration:XSR(config)#

Next Mode

Policy‐Mapconfiguration:XSR(config-pmap-<xx>)#

policy-map-name

Nameofthepolicymap.

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