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111?2002,CiscoSystems,Inc.Allrightsreserved.AutoQoSTechnicalPresentation,1/03CiscoAutoQoS

TechnicalPresentationRamyaVenkatraman

TechnicalMarketingEngineer–QoS

InternetTechnologiesGroupAgendaIntroductionCiscoAutoQoSFrameworkAutomationwithCiscoAutoQoSAutoQoSDeploymentCaseStudySummaryIntroductionIntroduction–

IETFDiffServArchitecture(RFC-2475)Theidea:differentservicelevelsforpacketsTheservice:somesignificantcharacteristicsofpackettransmissioninonedirectionacrossthenetworkExamples:bandwidthandlatencyANewParadigmforAutomatingtheDeliveryofNetworkQualityofServiceKeyTakeaways:SimplerQoSdeployments–ReducesoperatorerrorsCheaperQoSdeployments–Upto2/3rdsreductionincostFasterQoSdeployments–Upto2/3rdsreductionindeploymenttimeCiscoAutoQoSinitialfocus:QoSforVoiceoverIPIPTelephonyishere!IPTelephonyrequiresQoSQoSdeploymentcanbechallengingCiscoAutoQoSmakesVoIPdeploymentssimpler,cheaper,andfasterCiscoAutoQoSretains100%customercontroloverconfigurationROUTERSWITCHClassification(CoS,DSCP,ACLs,VLAN,Port-based)CiscoQoSIntroduction:

ACompleteDiffservToolkitLinkEfficiencyMechanisms(Compression,Fragmentation)CongestionAvoidanceMechanisms(WRED,WRED-ECN)CongestionManagementTechniques(WFQ,CBWFQ,LLQ)Classification&Marking(DSCP,IPPrecedence,nBAR,etc.)FETrafficConditioners(Policing,Shaping)Queuing&Scheduling(WRR,PQ)BufferManagement&WREDClassification(CoS,DSCP,ACLs,VLAN,Port-based)Policing&Marking(Aggregate&MicroFlowPolicing)GEATMPPPHDLCFRAMERELAYPROVISIONING&MONITORINGCBQoSMIB,QPM3.0AgendaIntroductionCiscoAutoQoSFrameworkAutomationwithCiscoAutoQoSAutoQoSDeploymentCaseStudySummaryCiscoAutoQoSFrameworkDiffServFunctionCiscoIOSQoSFeatureBehaviorClassificationNBARDSCP,PortClassificationofVoIPbasedonpacketattributesorporttrustMarkingClass-BasedMarkingSetL3/L2attributestobucketizepacketsintoaclassCongestionManagement%basedLLQ,WRRProvideEFtreatmenttovoice&BEtreatmenttodataShapingClass-basedShapingorFRTSShapetoCIRtopreventburst&smoothTraffictoConfiguredRateLinkEfficiencyMechanismHeaderCompressionReducetheVoIPbandwidthrequirementLinkEfficiencyMechanismLinkFragmentation&InterleavingReducejitterexperiencedbyvoicepacketsAutomationandsimplificationoftheexistinguserinterfacetoexpeditedeploymentofQoSfeaturesforVoIPFine-tuningofAutoQoSgeneratedparametersbyuser,ifdesiredCiscoAutoQoS-VoIPFramework

DiffServFunctionsAutomatedCiscoAutoQoSFramework–

NetworkBasedApplicationRecognitionBenefitsIdentifiesLayer4toLayer7applicationsandprotocolsStateful&deeppacketinspectionProtocolDiscoveryanalyzesapplicationtrafficpatternsinrealtimeandidentifiestrafficisrunningonthenetworkPlatformSupportCisco1700,2600,3600,7100,7200,FlexWanSeriesRoutersSwitches:MSFCsupportonSup1a&Sup2introducedinRelease12.1(13)ECitrix 25%Netshow 15%Fasttrack 10%FTP 30%HTTP 20%LinkUtilizationWhatApplicationsarerunningthroughmynetwork?CiscoAutoQoSFramework–

nBARRTPPayloadTypeClassificationCODECPayloadTypeG.711(Audio)0(mu-law)8(a-law)G.721(Audio)2G.722(Audio)9G.723(Audio)4G.728(Audio)15G.729(Audio)18H.261(Video)31MPEG-1(A/V)MPEG-2(A/V)14(Audio),32(Video),33(A-V)Dynamic96-127EasesclassificationofvoiceandvideotrafficVoIP,streaming/realtimevideo,audio/videoconferencing,FaxOverIPDistinguishesbetween

RTPpacketsbasedonpayloadtypeandCODECSRemovesdependenciesonUDPPortRange&DSCPmarkingsCiscoAutoQoSFramework––PercentageBasedPoliciesProblemsFixedCIRimposesscalabilityissuesServicepoliciesdifferbyinterface,withawiderangeofinterfacebandwidthsSolutionConfigurepoliciesasapercentageofavailablebandwidthAdvantageIncreasedScalability&ManageabilitySamePolicyMapcanbeappliedonmultipleinterfacesandoninterfaceswithvaryingbandwidthBuildOnce,ApplyManyPolicies10mbpsEthernet10mbpsEthernetVoice1500DataBytesVoiceVoice1500DataBytesVoiceVoice1500DataBytesVoice56kbWAN~214msSerializationDelayVoicePacket60bytesEvery20msVoicePacket60bytesEvery>214msVoicePacket60bytesEvery>214msBenefit:reducethejitterinvoicecallsImplementedviaMultilinkPPP(MLP)overFR,ATM,andleasedlinesFragmentsareinterleavedwiththereal-timepackets,reducingtheSerializationdelayexperiencedbyVoicepacketsCiscoAutoQoSFramework––

MLPPPLinkFragmentation&InterleavingProblem:largepackets“freezeout”voiceCiscoAutoQoSFramework––

RTPHeaderCompressionPROBLEM:Header=2XPayloadCODECPPP6BytesofHeaderATM53BytesCellswitha48BytePayloadFrame-Relay4BytesofHeaderG.711at50pps82.4kbps106Kbps81.6kbpsG.711at33pps75.5kbps84Kbps75kbpsG.729Aat50pps26.4kbps42.4Kbps25.6kbpsG.729Aat33pps20kbps28Kbps19.5kbpsBENEFIT:ReductioninVoiceBandwidthRequirementCODECPPP6BytesofHeaderATM53BytesCellswitha48BytePayloadFrame-Relay4BytesofHeaderG.711at50pps68kbpsN/A67kbpsG.711at33pps66kbpsN/A65.5kbpsG.729Aat50pps12kbpsN/A11.2kbpsG.729Aat33pps10.5kbpsN/A10kbpsAgendaIntroductionCiscoAutoQoSFrameworkAutomationwithCiscoAutoQoSAutoQoSDeploymentCaseStudySummaryAutomationwithCiscoAutoQoSAutomationwithCiscoAutoQoS–VoIPIntelligenceintheLANServerFarmServerFarmCoreLayer3SwitchedBackboneLayer3SwitchLayer2SwitchBuildingBuildingBuildingAccessDistributionEnableTrustboundary(phone,access,uplink/downlink)EnablePriorityQueuingwhererequiredModifyQueueAdmissioncriteriawhererequiredConfigureCoStoDSCPandIPPrectoDSCPmapswhererequiredAutomationwithCiscoAutoQoS–VoIPIntelligenceintheWANBuildMQCbasedpoliciesforVoIPIntelligentClassification(Trust/Untrust)HighSpeed&LowSpeedQoSPoliciesAutomaticallyenableQoSfeaturesspecifictounderlyingtransportprotocol(FR,ATM,PPP,FR-to-ATM)EnableTrafficShapingwhererequiredEnableLFI(FRF.12,MLP)whererequiredEnableCRTPMonitoring&SNMPAlerts125RemoteSitesWANCiscoAutoQoSBenefitsRouterPlatformsUsercanmeetthevoiceQoSrequirementswithoutextensiveknowledgeabout:Underlyingtechnologies(i.e.:PPP,FR,ATM)ServicepoliciesLinkefficiencymechanismsAutoQoSlendsitselftotuningofallgeneratedparameters&configurationsCisco2600,2600-XM,3600,3700,and7200SeriesRoutersSupportedonserial(PPP&HDLC),ATMPVCs,FRDLCIsandFR/ATMlinksOnlyonpoint-to-pointsub-interfacesforFRandlowspeedATMPVCsPoliciesarespecifictounderlyingtransportlayerprotocolAutomaticallyidentifiesH.323,MGCP,H.225(Unicast),SIPandSkinnySignalingProtocolsCommandLineInterfaceAutomationwithCiscoAutoQoSRouterPlatformsautoqosvoip[trust]–UntrustedModebydefaultautoqosvoip[fr-atm]–EnabledonFRDLCIforFR/ATMInterworkingClassificationTrust:reliesonDSCPmarkingsfromswitches(DSCPEF&AF31)Untrust:nBARRTPPayloadTypeClassification&AccessListsProvisioningLLQprotectsvoicebearerandvoicesignalingtrafficWFQsharesbandwidthfairlyintheBestEffortDataclassPolicyGenerationEnableshigh-(>768Kbps)andlow-(<=768Kbps)speedQoSMonitoringSNMPmonitoringeventsarereportediftheSNMPserverisenabledThresholdsactivatedinRMONalarmtabletomonitorLLQdropsAutomationwithCiscoAutoQoSRouterPlatforms(Cont)class-mapVoIP-Bearermatchprotocolrtpaudioclass-mapVoIP-Controlmatchaccess-group101!policy-mapQoS-PolicyclassVoIP-Bearerprioritypercent30setipdscpefclassVoIP-Controlbandwidthpercent5setipdscpaf31classclass-defaultfair-queue!Access-list101permittcpanyanyeq1720\\H.323Access-list101permittcpanyanyrange1100011999\\H.323Access-list101permitudpanyanyeq2427\\MGCPAccess-list101permitudpanyanyeq2428\\MGCPAccess-list101permittcpanyanyrange20002002\\SkinnyConfiguringQoSforVoIPonLowSpeedFrameRelayWANLinkClassifythetrafficofinterestforQoSPolicyDefineQoSPolicyTreatmentWithoutAutoQoSDefineACLstoclassifyVoIPSignalingAutomationwithCiscoAutoQoSRouterPlatforms(Cont)FrameRelayinterfaceSerial4/0encapsulationframe-relayframe-relaytraffic-shaping!interfaceSerial4/0.1point-to-pointbandwidth256frame-relayinterface-dlci100classVoIPFrame-relayiprtpheader-compression!map-classframe-relayVoIPframe-relaycir256000frame-relaybc2560frame-relaybe0frame-relaymincir256000service-policyoutputQoS-Policyframe-relayfragment320EnablingFRTS,FRF.12&CRTPEnableFrameRelayTrafficShapingApplyFRclass-maptoDLCIFrameRelayTrafficShapingApplyQoSPolicyEnableFRF.12EnableRTPHeaderCompressionWithoutAutoQoSAutomationwithCiscoAutoQoSRouterPlatforms(Cont)FrameRelayinterfaceSerial4/0encapsulationframe-relayframe-relaytraffic-shaping!interfaceSerial4/0.1point-to-pointbandwidth256frame-relayinterface-dlci100classAutoQoS-VoIP-FR-Serial4/0-100autoqosvoipframe-relayiprtpheader-compression!map-classframe-relayAutoQoS-VoIP-FR-Serial4/0-100frame-relaycir256000frame-relaybc2560frame-relaybe0frame-relaymincir256000service-policyoutputAutoQoS-Policy-UnTrustframe-relayfragment320YouenableAutoQoSFRTSenabledbyAutoQoSFRTS&FRF.12settingsgeneratedbyAutoQoSCRTPconfigurationgeneratedbyAutoQoSYouspecifyBW,IPAddr&FRDLCIWithAutoQoSAutomationwithCiscoAutoQoSRouterPlatforms(Cont)FrameRelayProvisioningdonebyAutoQoSClassificationdonebyAutoQoSclass-mapmatch-anyAutoQoS-VoIP-RTP-Untrustmatchprotocolrtpaudiomatchaccess-groupnameAutoQoS-VOIP-RTCPclass-mapAutoQoS-VoIP-Control-Untrustmatchaccess-groupnameAutoQoS-VOIP-Controlclass-mapmatch-anyAutoQoS-VOIP-Remarkmatchipdscpefmatchipdscpaf31!policy-mapAutoQoS-Policy-Untrustclass-mapAutoQoS-VoIP-RTP-Untrustprioritypercent70setdscpefclassAutoQoS-VoIP-Control-Untrustbandwidthpercent5setdscpaf31classAutoQoS-VoIP-Remarksetdscpdefaultclassclass-defaultfair-queueAutomationwithCiscoAutoQoSRouterPlatforms(Cont)FrameRelayWithAutoQoSRMONeventconfiguredgeneratedbyAutoQoSMonitoringDropsinLLQThresholdsareactivatedinRMONalarmtabletomonitordropsinVoiceClassDefaultdropthresholdis1bpsrmonevent33333logtrapAutoQoSdescription““AutoQoSSNMPtrapsforVoiceDrops”ownerAutoQoSrmonalarm33350cbQoSCMDDropBitRate.2881.299130Absoluterising-threshold133333falling-threshold0OwnerAutoQoSWithAutoQoSAutomationwithCiscoAutoQoSRouterPlatforms(Cont)FrameRelayUsercanmeetthevoiceQoSrequirementswithoutextensiveknowledgeabout:TrustboundaryCoStoDSCPmappingsWeightedRoundRobin(WRR)&PriorityQueue(PQ)SchedulingparametersGeneratedparametersandconfigurationsareusertunableCiscoAutoQoSBenefitsSwitchPlatformsCiscoCatalyst6500,4500,3550,and2950EISwitchesSinglecommandattheinterfacelevelconfiguresinterfaceandglobalQoSSupportforCiscoIPPhone&CiscoSoftPhoneSupportforCiscoSoftPhonecurrentlyexistsonlyontheCat6500TrustBoundaryisdisabledwhenIPPhoneismoved/relocatedBufferAllocation&EgressQueuingdependentoninterfacetype(GE/FE)SupportedonStatic,dynamic-access,voiceVLANaccess,andtrunkportsCDPmustbeenabledforAutoQoStofunctionproperlyCiscoCatalyst2950EIsupportsWRR,StrictPriorityScheduling,andStrictPriorityQueuingAutomationwithCiscoAutoQoSSwitchPlatformsCiscoCatalyst6500SwitchGlobal:setqosautoqosInterface:setportqosautoqos<mod/port>voip[ciscosoftphone|ciscoipphone]TrustBoundary:Setportqosautoqos<mod/port>trust[cos|dscp]CiscoCatalyst3550and2950EISwitchesautoqosvoiptrust–QoSLabelsiningresspacketsaretrustedautoqosvoipCisco-phone–ExtendstrustboundaryifIPPhonedetectedCiscoCatalyst4500SwitchSimilartoCat3550/2950AutomationwithCiscoAutoQoSSwitchPlatforms(Cont)CommandLineInterfacesetqosenablesetportqosmod/portcos0setportqosmod/portcos-ext0setportqosmod/porttrust-extuntrustedsetportqosmod/porttrust-deviceciscoipphonesetqosaclipACL_IP-PHONEStrust-cosanycommitqosaclACL_IP-PHONESsetqosaclmapACL_IP-PHONESmode/portsetportqosmod/porttrusttrust-cossetqosipprec-dscp-map010182634464856setqoscos-dscp-map010182634464856setqosmap2q2ttxqueue22cos5,6,7.............AutomationwithCiscoAutoQoSSwitchPlatforms(Cont)WithoutAutoQoSConfiguringQoSforVoIPonTrusted&UntrustedPortsintheLAN65006500650065006500AutomationwithCiscoAutoQoSCiscoCatalyst6500SeriesSwitchWithAutoQoSsetportmacro4/1ciscoipphone10110Port4/1hasbeenfullyconfiguredforciscoipphone.Datavlansetto10,auxiliaryvlansetto110,portbasedautoqosconfigured.Globalautoqosconfiguredonallports.setqosautoqosAllingressandegressQoSschedulingparametersconfiguredonallports.CoStoDSCP,DSCPtoCOSandIPPrecedencetoDSCPmapsconfigured.GlobalQoSconfiguredsetportqosautoqos4/1voipciscoipphonePort4/1hasbeenfullyconfiguredforvoip.GlobalautoqosconfiguredonallportsUserenablesAutoQoSGeneratedbyAutoQoSGeneratedbyAutoQoS65006500650065006500mlsqosmapcos-dscp010182634464856mlsqos!interfaceFastEthernet0/1DescriptiontoIPPhonemlsqostrustCoSwrr-queuecos-map45priority-queueoutswitchportvoicevlan111switchportaccessvlan11switchportpriorityextendcos0MapCoSValuesinincomingpacketstoDSCPvaluesIngressClassificationsettotrustCoSvaluereceivedinthepacketAssignpacketswithCoS5toQueue4(ExpediteQueue)EnableEgressExpediteQueueEnableTrustBoundaryonthephoneConfiguringQoSforVoIPonTrustedPortsintheLANAutomationwithCiscoAutoQoSCiscoCatalyst3550SeriesSwitchWithoutAutoQoS65006500350035003500InterfaceGigabitEthernet0/1mlsqostrustdevicecisco-phonemlsqostrustcosautoqosvoipcisco-phonewrr-queuebandwidth201800wrr-queuequeue-limit801201wrr-queuecos-map10124wrr-queuecos-map3367wrr-queuecos-map45priority-queueoutGeneratedbyAutoQoSGeneratedbyAutoQoSYouenableAutoQoSInterfaceFastEthernet0/1mlsqostrustdevicecisco-phonemlsqostrustcosautoqosvoipcisco-phonewrr-queuebandwidth201800wrr-queuemin-reserve15wrr-queuemin-reserve26wrr-queuemin-reserve37wrr-queuemin-reserve48wrr-queuecos-map10124wrr-queuecos-map3367wrr-queuecos-map45priority-queueoutYouenableAutoQoSAutomationwithCiscoAutoQoSCiscoCatalyst3550SeriesSwitchWithAutoQoS65006500350035003500mlsqosmlsqosmapcos-dscp010182634464856wrr-queuecos-map10124wrr-queuecos-map3367wrr-queuecos-map45wrr-queuebandwidth201800!InterfaceGigabitEthernet0/1DescriptionUplinktoTrustedSourcemlsqostrustdscp!interfaceFastEthernet0/1DescriptiontoIPPhonemlsqostrustCoSswitchportvoicevlan111switchportaccessvlan11switchportpriorityextendcos0MapCoSValuesinincomingpacketstoDSCPvaluesIngressClassificationsettotrustCoSvaluereceivedinthepacketAssignpacketswithCoS5toQueue4(ExpediteQueue)EnableTrustBoundaryonthephoneConfiguringQoSforVoIPonTrusted&UntrustedPortsintheLANAutomationwithCiscoAutoQoSCiscoCatalyst2950EISeriesSwitchWithoutAutoQoS65006500350035003500mlsqosmapcos-dscp08162632464856wrr-queuebandwidth201800nowrr-queuecos-mapwrr-queuecos-map10124wrr-queuecos-map3367wrr-queuecos-map45!interfaceGigabitEthernet0/2autoqosvoiptrustmlsqostrustcos!InterfaceFastEthernet0/1autoqosvoipcisco-phonemlsqostrustdevicecisco-phoneGeneratedbyAutoQoSautoqosvoiptrustYouenableAutoQoSautoqosvoipcisco-phoneAutomationwithCiscoAutoQoSCiscoCatalyst2950EISeriesSwitchWithAutoQoS65006500350035003500AgendaIntroductionCiscoAutoQoSFrameworkAutomationwithCiscoAutoQoSAutoQoSDeploymentCaseStudySummaryAutoQoSDeploymentCaseStudyQoSDeploymentforVoIPGoal:Deployconsistent,end-to-endQoSforVoIPWANClassification&TrustBoundaryMarking/RemarkingEgressQueueSchedulingBufferManagementIntelligentClassificationBandwidthProvisioningAdmissionControlShapingLinkFragmentation&InterleavingHeaderCompressionLayer3PolicingEgressScheduling(MultipleQueueswithWRR)PriorityQueuingforVOIPBufferManagementAccessLayerDistributionLayerWANApplicationClassificationPolicyGenerationConfigurationMonitoring&ReportingConsistencyIdentifyTrafficofInterestTrust&UntrustLinkEfficiencyMechanismsCoStoDSCPtoQueuemappingWRR&WREDparametersTransportspecificfeaturesMonitortheperformanceofVoicetrafficConsistentend-to-endQoSacrossLAN&WANPlatformConsistencyClassesBandwidthrequirementsHighSpeedVsLowSpeedQoSBufferManagementQoSDeploymentforVoIP–WithoutAutoQoSKeyElementsofQoSDeploymentQoSDeploymentforVoIP–ManualApproachwithoutAutoQoSIntheWANIdentifyapplicationsandprotocolsofinterestUntrustededgevs.trustededgeRemarktrafficbasedonclassificationDeterminehowmanyclassesshouldbeconfigured,andwhatqueuingshouldbeenabledDetermineclassbandwidthrequirementsConfiguretransportspecificfeaturesTrafficShaping,MLPPP&TX-RingsettingsEnablebandwidthspecificQoSfeaturesHeaderCompression&FragmentationSettings(MLP/LFIorFRF.12)ConfigurealarmandeventsettingsformonitoringpurposesQoSDeploymentforVoIP–ManualApproachwithoutAutoQoSIntheLANIdentifyTrustBoundary&ExtendedTrustBoundaryRemarktrafficbasedonclassificationDetermineCoStoDSCPandIPPrecedencetoDSCPmappingsMapCoSvaluestothedifferentegressqueuesQueueSizeSettings&WRRweightsFEVsGEportsDetermineCoStoEgressqueuemappingConfigureQoSonaperportbasisIdentifyVoIPBearer&ControlTrafficEvaluateNetworkEnvironment&GenerateInitialPolicyOneCommandVoIPPacketDropAlertsCBQoSMIBSupportFullLAN&WANInteroperabilityQoSDeploymentforVoIP–AutomationwithCiscoAutoQoS(PhaseI)Accomplishalloftheaboveinjust4stepsConfigureInterface/Sub-InterfaceBandwidthConfigureIPAddressEnableAutoQoS(TrustVsUnTrust)FineTuneParameters,ifrequiredTrafficClassificationPolicyGenerationProvisioningMonitoringConsistencyQoSDeploymentforVoIP-SingleStepApproachUsingCiscoAutoQoSEnableCiscoAutoQoSforVoIPontheswitchCiscoCatalyst2950and3550Switches:enableAutoQoSontheinterfaceautoqosvoip[trust|cisco-phone]CiscoCatalyst6500Switch:enableAutoQoSontheportsetqosautoqossetportqosautoqos<mod/port>voip[ciscosoftphone|ciscoipphone]setportqosautoqos<mod/port>trust[cos|dscp]ParameterTuningMonitorCiscoAutoQoSontheSwitchshmlsqosinterface<x>[buffers|queuing](abovecommandnotsupportedon2950)showmlsqosmapscos-dscpshowautoqosinterface<x>IntheLANEnableCiscoAutoQoSforVoIPviaRouterCLIConfigureIPaddressoninterfaceorsubinterfaceConfigurebandwidthoninterfaceorsubinterfaceEnable“autoqosvoip[trust|fr-atm]”onPVC,DLCIorinterfaceParametertuning&ConfigurationmodificationsMonitorCiscoAutoQoSontheRoutershowpolicy-mapinterface<x>showautoqos[interface<interfacetype>]showrmon[alarms|events]MonitorCiscoAutoQoSusingQPM3.0QoSDeploymentforVoIP-SingleStepApproachUsingCiscoAutoQoS(Cont)IntheWANQoSDeploymentforVoIP––Class-BasedQoSMIB(CBQoSMIB)ProvidesreadaccesstoconfigurationandstatisticalinformationforMQCbasedQoSPoliciesProvidesMQCconfigurationinformationandapplicationstatisticsProvidesCBQoSstatisticsonaper-policy/per-interfaceorPVCbasisMonitorpre-andpost-policybitratesonadeviceSNMPInterface1OutboundPolicyCBQoSMIBProvideCBQoSStatistics&ConfigurationInformationPerpolicyInterface3InboundPolicyInterface2InboundPolicyQoSDeploymentforVoIP––Monitoring&ReportingwithQPM3.0CentralwebbasedtoolQoSconfigguidanceTemplates,customizeDeploymentcontrolFileexportMonitoringReportsTroubleshootingMulti-device,globalDevice-BasedSingleCommandIntelligentClassificationReportingviaSyslog&TrapsCiscoWorksQoSPolicyManagerinterfaceMultilink1iptcpheader-compressioniphc-formatload-interval30service-policyoutputQoS-Policypppmultilinkpppmultilinkfragment-delay10pppmultilinkinterleaveinterfaceSerial0bandwidth256IpaddressautoqosvoipCLIBronzeSilverGoldQoSDeploymentforVoIP-MonitoringandReportingwithCBQoSMIB&QPM3.0CMPrePolicyPktCMPrePolicyByteCMPostPolicyPktCMDropPktCMDropByteCMNoBufDropPktDrop=Pre-PostAfterQOSPolicieshavebeenappliedBeforeQOSBronzeSilverGoldBronzeSilverQoSDeploymentforVoIP––AnexampleusingQPM3.0AgendaIntroductionCiscoAutoQoSFrameworkAutomationwithCiscoAutoQoSAutoQoSDeploymentCaseStudySummarySummaryHighlights––CiscoAutoQoSintheWANSimplifiesQoSconfigurationforVoIPPhaseI––asinglecommandenablesCiscoQoSforVoIPEnd-to-endsimplification,automation,andintelligenceClassifiesVoIPbearerandsignaling(H.323,Skinny,H.225Unicast,SIP&MGCP)trafficProvisioningbasedonCiscoBestPracticesGeneratedparametersandconfigurationcanbeusermodifiedHighlights––CiscoAutoQoSintheWAN(Cont)IntelligentpolicygenerationBasedonavailablebandwidth&underlyingL2technologyEnablesIPRTPHeaderCompressionandFrameRelayTrafficShaping,ifrequiredDecidesonfragmentationsettings(FRF.12,MLP/LFI),ifrequiredSupportedonFR,ATM,HDLC,PPP&FR-to-ATMlinksProvidesRMONalerts,ifVoIPpacketaredroppedHighlights––CiscoAutoQoSintheLANSimplifiesQoSconfigurationforVoIPPhaseI––asinglecommandenablesCiscoQoSforVoIPSupportforCiscoIPPhone&CiscoSoftPhoneOptimalVoicePerformanceParametersbasedonCiscoBestPractices,extensivelabtesting,andinputfromabroadbaseofAVVIDinstallationsHighlights––CiscoAutoQoSintheLAN(Cont)IntelligentPolicygenerationAutomaticallydecidesontrustandextendedtrustboundarysettingsUsercanbypasstelephoneandconnecttheirPCdirectlytotheswitchDisablestrustwhenIPphoneisrelocatedConfiguresCoStoDSCPtoQueuemappingDecidesonWRRsettingsSupportedonStatic,Dynamic-access,voiceVLAN,andtrunkportsTheCiscoAdvantage––MostComprehensiveQoSFunctionalityAvailableFirsttoshipQoSAutomation&SimplificationFirsttoshipAdvancedDifferentiatedServicesToolkitin2000ComprehensiveQoSlanguageframeworkviaMQCFirsttoshipIntelligentApplicationLevelclassification(CiscoNetworkBasedApplicationRecognition-NBAR)CompleteQoSmonitoring&reportingsupportwithCiscoWorksQPM3.0Broadestplatformsupport(switch&routerspace)forQoSFullinteroperabilityacrosstheLAN&WANDiffServnodesOnlyvendortoshipaCompleteEnd-to-EndDifferentiatedServicessolutionAvailabilityPlatformsSoftwareSwitchesCiscoCatalyst2950EICiscoCatalyst3550CiscoIOSSoftwareRelease12.1(12c)EA1CiscoCatalyst4500CiscoIOSSoftwareRelease12.1(19)ECiscoCatalyst6500CiscoCatalystOperatingSystem7.5.1RoutersCisco2600SeriesCisco2600XMSeriesCisco3600SeriesCisco3700SeriesCisco7200SeriesCiscoIOSSoftwareRelease

12.2(15)TReferences54?2002,CiscoSystems,Inc.Allrightsreserved.AutoQoSTechnicalPresentation,1/039、靜夜四