基于BGP EVPN控制平面的VXLAN数据中心架构

VxLANRoutingandControlPlaneonNexus9000SeriesSwitches•RenxiangGu•GCDataCenter观看同期在线研讨会：=9082&KeyCode=000238223&ad_id=bdc126思科中国百度文库：=ciscochina思科互动网络主页：VxLANOverviewMP-BGPEVPNBasicsMP-BGPEVPNControlPlaneVXLANDesignOptionsMP-BGPEVPNVXLANConfigurationVxLANCapabilityonNexus9000SeriesSwitches思科中国百度文库：=ciscochina思科互动网络主页：VxLANOverviewMP-BGPEVPNBasicsMP-BGPEVPNControlPlaneVXLANDesignOptionsMP-BGPEVPNVXLANConfigurationVxLANCapabilityonNexus9000SeriesSwitches©2014Ciscoand/oritsaffiliates.Allrightsreserved.CiscoPublic思科中国百度文库：=ciscochina思科互动网络主页：“Fabric”JourneyMAN/WANFabricPathMAN/WANFabricPath/BGPMAN/WANVXLAN/EVPNVXLANACIFabricApplicationPolicyInfrastructureControllerAPICApplicationCentricInfrastructure©2014Ciscoand/oritsaffiliates.Allrightsreserved.CiscoPublic思科中国百度文库：=ciscochina思科互动网络主页：:FlexibleDataCenterFabricsHostsVMOSVMOSVirtualPhysicalCreateVirtualNetworksontopofanefficientIPnetworkWorkloadMobilityWorkloadPlacementSegmentationScaleAutomation&ProgrammabilityL2+L3ConnectivityPhysical+VirtualOpen©2014Ciscoand/oritsaffiliates.Allrightsreserved.CiscoPublic思科中国百度文库：=ciscochina思科互动网络主页：“Overloaded”Semantic10.1.0.1WhentheDeviceMoves,ItGetsaNewIPv4orIPv6AddressforItsNewIdentityandLocation20.2.0.9DeviceIPv4orIPv6AddressRepresentsIdentityOnly.WhentheDeviceMoves,KeepsItsIPv4orIPv6Address.ItHastheSameIdentityOverlayBehaviourLoc/ID“Split”IPcore1.1.1.12.2.2.2OnlytheLocationChanges10.1.0.110.1.0.1ItsLocationIsHere!©2014Ciscoand/oritsaffiliates.Allrightsreserved.CiscoPublic思科中国百度文库：=ciscochina思科互动网络主页：:•IProuting–proven,stable,scalable•ECMP–utilizeallavailablenetworkpathsOverlayNetwork:•Standards-basedoverlay•Layer-2extensibilityandmobility•ExpandedLayer-2namespace•Scalablenetworkdomain•Multi-Tenancy©2014Ciscoand/oritsaffiliates.Allrightsreserved.CiscoPublic思科中国百度文库：=ciscochina思科互动网络主页：NoVXLANcontrolplaneDatadrivenflood-&-learnMulticasttransportforVXLANBUM(Broadcast,UnknownUnicastandMulticast)traffic.VTEP-1EndSystemAMAC-AIP-AVTEP-3EndSystemEndSystemVTEP-2EndSystemBMAC-BIP-BMulticastGroupIPNetworkVTEP1IP-1VTEP2IP-2VTEP3IP-3©2014Ciscoand/oritsaffiliates.Allrightsreserved.CiscoPublic思科中国百度文库：=ciscochina思科互动网络主页：©2014Ciscoand/oritsaffiliates.Allrightsreserved.CiscoPublic思科中国百度文库：=ciscochina思科互动网络主页：•Singleaddresslookupattheingressedgeidentifiestheexitportacrossthefabric•Trafficisthenswitchedusingtheshortestpathavailable•ReliableL2andL3connectivityanytoany(L2asifitwaswithinthesameswitch,noSTPinside)ShortestpathanytoanyFabricPathABs3s8MACIFAe1/1……Bs8,e1/2e1/1e1/2©2014Ciscoand/oritsaffiliates.Allrightsreserved.CiscoPublic思科中国百度文库：=ciscochina思科互动网络主页：思科中国百度文库：=ciscochina思科互动网络主页：VxLANOverviewMP-BGPEVPNBasicsMP-BGPEVPNControlPlaneVxLANDesignOptionsMP-BGPEVPNVXLANConfigurationVxLANCapabilityonNexus9000SeriesSwitches©2014Ciscoand/oritsaffiliates.Allrightsreserved.CiscoPublic思科中国百度文库：=ciscochina思科互动网络主页：•FullmeshofBGPsessionsamongallPErouters–BGPRouteReflector•Multi-ProtocolBGPextensions(MP-iBGP)tocarryVPNpolicies•PE-CEroutingoptions–Staticroutes–eBGP–OSPF–IS-ISLabelSwitchedTrafficPPPEPECEPE-CELinkPE-CELinkPPCEPEPECECEBlueVPNPolicyBlueVPNPolicy`RedVPNPolicyRedVPNPolicyBGPRouteReflector©2014Ciscoand/oritsaffiliates.Allrightsreserved.CiscoPublic思科中国百度文库：=ciscochina思科互动网络主页：:•RouteDistinguisher(RD):8-bytefield,VRFparameters;uniquevaluetomakeVPNIProutesunique•VPNv4address:RD+VPNIPprefixSelectivedistributeVPNroutes:•RouteTarget(RT):8-bytefield,VRFparameter,uniquevaluetodefinetheimport/exportrulesforVPNv4routes•MP-iBGP:advertisesVPNv4prefixes+labels14©2014Ciscoand/oritsaffiliates.Allrightsreserved.CiscoPublic思科中国百度文库：=ciscochina思科互动网络主页：