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QualityofServiceCommands Thefollowingarequalityofservice(QoS)commands.Thecommandsarearrangedalphabetically. CiscoIOSQualityofServiceSolutionsCommandReference QR-3 QualityofServiceCommands access-listrate-limit access-listrate-limit Toconfigureanaccesslistforusewithcommittedaccessrate(CAR)policies,usetheaccess-list rate-limitcommandinglobalconfigurationmode.Toremovetheaccesslistfromtheconfiguration,use thenoformofthiscommand. access-listrate-limitacl-index{precedence|mac-address|exp|maskmask} noaccess-listrate-limitacl-index{precedence|mac-address|exp|maskmask} SyntaxDescriptionacl-indexAccesslistnumber.Toclassifypacketsby •IPprecedence,useanynumberfrom1to99 •MACaddress,useanynumberfrom100to199 •MultiprotocolLabelSwitching(MPLS)experimentalfield,use anynumberfrom200to299 precedenceIPprecedence.Validvaluesarenumbersfrom0to7. mac-addressMACaddress. expMPLSexperimentalfield.Validvaluesarenumbersfrom0to7. maskmaskMask.UsethisoptionifyouwanttoassignmultipleIPprecedences orMPLSexperimentalfieldvaluestothesamerate-limitaccesslist. DefaultsNoCARaccesslistsareconfigured. CommandModesGlobalconfiguration CommandHistoryReleaseModification 11.1CCThiscommandwasintroduced. 12.1(5)TThiscommandnowincludesanaccesslistbasedontheMPLS experimentalfield. 12.2(2)TThiscommandwasintegratedintoCiscoIOSRelease12.2(2)T. 12.2(4)TThiscommandwasimplementedontheCiscoMGX8850switchand theMGX8950switchwithaCiscoMGXRPM-PRcard. 12.2(4)T2ThiscommandwasimplementedontheCisco7500series. UsageGuidelinesUsethiscommandtoclassifypacketsbythespecifiedIPprecedence,MACaddress,orMPLS experimentalfieldvaluesforaparticularCARaccesslist.YoucanthenapplyCARpolicies,usingthe rate-limitcommand,toindividualrate-limitaccesslists.Whenpacketsinanaccesslistareclassifiedin thismanner,thepacketswithdifferentIPprecedences,MACaddresses,orMPLSexperimentalfield valuesaretreateddifferentlybytheCARprocess. Youcanspecifyonlyonecommandforeachrate-limitaccesslist.Ifyouenterthiscommandmultiple timesusingthesameaccesslis