Cisco Nexus 7000 Switch

©2013Ciscoand/oritsaffiliates.Allrightsreserved.BRKARC-3470CiscoPublic1AgendaNexus7000OverviewNX-OSHigh-AvailabilityFeatures&CapabilitiesNX-OSBasicOperationVirtualDeviceContext(VDC)VirtualPortChannel(vPC)NX-OSRoutingArchitectureTroubleshootingCiscoNexus7000SeriesSwitchesNexus7000Overview©2013Ciscoand/oritsaffiliates.Allrightsreserved.BRKARC-3470CiscoPublic3WhatIsNexus7000?Data-centerclassEthernetswitchdesignedtodeliverhighperformance,highavailability,systemscale,andinvestmentprotectionI/OModulesSupervisorEnginesFabricsChassis©2013Ciscoand/oritsaffiliates.Allrightsreserved.BRKARC-3470CiscoPublic4Nexus7000ChassisFamilyFrontRear21RUN7K-C701025RUFrontRearN7K-C7018FrontRearN7K-C700914RUNX-OS4.1(2)andlaterNX-OS5.2(1)andlaterNexus7010Nexus7018Nexus7009FrontN7K-C70047RUNX-OS6.1(2)andlaterRearNexus7004©2013Ciscoand/oritsaffiliates.Allrightsreserved.BRKARC-3470CiscoPublic5KeyChassisComponentsCommoncomponents:–SupervisorEngines–I/OModules–PowerSuppliesChassis-specificcomponents:–FabricModules–FanTrays©2013Ciscoand/oritsaffiliates.Allrightsreserved.BRKARC-3470CiscoPublic6SupervisorEngine2/2ENextgenerationsupervisorsprovidingcontrolplaneandmanagementfunctionsConnectstofabricvia1GinbandinterfaceInterfaceswithI/Omodulesvia1GswitchedEOBCSecond-generationdedicatedcentralarbiterASIC–ControlsaccesstofabricbandwidthviadedicatedarbitrationpathtoI/OmodulesIDLEDConsolePortManagementEthernetN7K-SUP2/N7K-SUP2EUSBHostPortsStatusLEDsSupervisorEngine2SupervisorEngine2EBaseperformanceHighperformanceOnequad-core2.1GHzCPUwith12GBDRAMTwoquad-core2.1GHzCPUwith32GBDRAMUSBLogFlashUSBExpansionFlash©2013Ciscoand/oritsaffiliates.Allrightsreserved.BRKARC-3470CiscoPublic824-Port10GM2I/OModuleArchitectureN7K-M224XP-23L12X10GMAC/LinkSecForwardingEngineVOQsFabric2ASICToFabricModulesReplicationEngineReplicationEngineFrontPanelPortsLCCPUEOBCVOQs12345678910111212X10GMAC/LinkSecForwardingEngineVOQsReplicationEngineReplicationEngineVOQs242322212019181716151413ToCentralArbitersArbitrationAggregator…©2013Ciscoand/oritsaffiliates.Allrightsreserved.BRKARC-3470CiscoPublic9FromI/OModuleReplicationEnginesToI/OModuleReplicationEnginesM-SeriesForwardingEngineArchitectureL2EngineIngressParserMACTableL2Lookup(pre-L3)L2Lookup(post-L3)FinalResultsL3EngineClassification(ACL/QoS)NetFlowLayer3FIBPolicingFIBTCAM/ADJCLTCAMFEDaughterCardIngresslookuppipelineEgresslookuppipelineEgressNetFlowcollectionIngressMACtablelookupsPort-channelhashresultIngressIGMPsnoopinglookupsFIBTCAMandadjacencytablelookupsforLayer3forwardingECMPhashingMulticastRPFcheckIngresspolicingEgressMAClookupsEgressIGMPsnoopinglookupsPKTHDREgressACL/QoSclassificationIngressNetFlowcollectionIngressACL/QoSclassificationEgresspolicing©2013Ciscoand/oritsaffiliates.Allrightsreserved.BRKARC-3470CiscoPublic10N7K-C7010-FAB-1/FAB-2N7K-C7009-FAB-2CrossbarSwitchFabricModulesProvideinterconnectionofI/OmodulesinNexus7009/7010/7018chassisEachinstalledfabricincreasesavailableper-payloadslotbandwidthTwofabricgenerationsavailable–Fabric1andFabric2DifferentI/OmodulesleveragedifferentamountoffabricbandwidthAccesstofabricbandwidthcontrolledusingQoS-awarecentralarbitrationwithVOQN7K-C7018-FAB-1/FAB-2FabricModuleSupportedChassisSupportedI/OModulesPer-fabricmodulebandwidthTotalbandwidthwith5fabricmodulesFabric17010/7018All46Gbpsperslot230GbpsperslotFabric27009/7010/7018All110Gbpsperslot550Gbpsperslot©2013Ciscoand/oritsaffiliates.Allrightsreserved.BRKARC-3470CiscoPublic111MultistageCrossbarNexus7000implements3-stagecrossbarswitchfabricStages1and3onI/OmodulesStage2onfabricmodules1ststageEgressModule2ndstageIngressModule3rdstageFabricASIC2345FabricASICFabricASICFabricASICFabricASICFabricASICFabricASICFabricModules2x23Gbpschannels(46GperFab1)–or–2x55Gbpschannels(110GperFab2)perslot,perfabricmoduleUpto230Gbps(Fab1)–or–Upto550Gbps(Fab2)perI/Omodulewith5fabricmodules©2013Ciscoand/oritsaffiliates.Allrightsreserved.BRKARC-3470CiscoPublic1246Gbps92Gbps138Gbps184Gbps230GbpsI/OModuleCapacity–Fabric1Onefabric:AnyportcanpasstraffictoanyotherportinVDCTwofabrics:80GM1modulehasfullbandwidthFivefabrics:240GM2modulelimitedto230Gperslot480GF2/F2Emodulelimitedto230Gperslot46Gbps/slot46Gbps/slot46Gbps/slot46Gbps/slot46Gbps/slotFabric1Modules1Fabric1ASICs2Fabric1ASICs3Fabric1ASICs4Fabric1ASICs5Fabric1ASICsLocalFabric2(480G)LocalFabric2(240G)LocalFabric1(80G)perslotbandwidth©2013Ciscoand/oritsaffiliates.Allrightsreserved.BRKARC-3470CiscoPublic13110Gbps220Gbps330Gbps440Gbps550GbpsLocalFabric2(480G)LocalFabric2(240G)LocalFabric1(80G)I/OModuleCapacity–Fabric2Onefabric:AnyportcanpasstraffictoanyotherportinVDCTwofabrics:80GM1modulehasfullbandwidthThreefabrics:240GM2modulehasmaximumbandwidthFivefabrics:480GF2/F2Emodulehasmaximumbandwidth110Gbps/slotFabric2Modules1Fabric2ASICs2Fabric2ASICs3Fabric2ASICs4Fabric2ASICs5Fabric2ASICsFab2doesNOTmakeFab1-basedmodulesfaster!!perslotbandwidthFabricchannelsrunatlowestcommonspeedNX-OSHigh-AvailabilityFeatures&Capabilities©2013Ciscoand/oritsaffiliates.Allrightsreserved.BRKARC-3470C