Zte ZXR10 ZSR V2 - Chapter 19 6 VPE Configuration

Chapter19
6VPEConguration
TableofContents
6VPEOverview........................................................................................................19-1
Conguring6VPE.....................................................................................................19-2
6VPECongurationExample.................................................................................19-11
19.16VPEOverview
IPv6VPNProviderEdge(6VPE)isatechnologythatprovidesBGPMultiProtocolLabel
Switching(MPLS)VirtualPrivateNetwork(VPN)serviceonanIPv6network.The6VPE
technologyoriginatesfromIPv4BGPMPLSVPN.ItisanextensionoftheIPv4BGPMPLS
VPN.
Thehandlingprocedureonthe6VPEcontrolplaneconsistsofsixsteps.
1.6VPEusesIPv4/IPv6IGP(suchasOSPF/OSPFv3)toestablishtheroutesamong
backbonerouters.Theloopbackaddressofa6VPErouterisadvertisedtoallProuters
andother6VPEroutersonthenetwork.
2.6VPEusesIPv4/IPv6labeldistributionprotocols(suchasLabelDistributionProtocol
(LDP),ResourceReSerVationProtocol-TrafcEngineering(RSVP-TE))toestablish
LabelSwitchPaths(LSPs)among6VPErouters,thatis,theMPLStunnelsamong
6VPErouters.
3.6VPErouterscontacteachotheraccordingtotheVPNroutereachabilityinformation.
ItisnecessarytocongureIPv4/IPv6VirtualRouteForwarding(VRF).
4.6VPEroutersobtainroutereachabilityinformationfromCustomerEdge(CE)routers
onIPv4/IPv6sites.
5.6VPEroutersdistributelabelsforroutereachabilityinformation,andadvertisethe
reachabilityinformationforaddressprexesinVPNsthroughtheextendedattributes
ofMP-BGP .Iftheusernetworkthat6VPEroutersconnectedtousestheIPv4
protocol,theroutereachabilityinformationusesVPN-IPv4addressfamily.Iftheuser
networkthat6VPEroutersconnectedtousestheIPv6protocol,theroutereachability
informationusesnew-denedVPN-IPv6addressfamily.
6.6VPEroutersadvertiseIPv4/IPv6routereachabilityinformationtoIPv4/IPv6CEsites
throughIPv4/IPv6routingprotocols.
Accordingtothe6VPEhandlingprocedure,thekeypartof6VPEisthattheVPN-IPv6
addressfamilyisdenedtodistinguishtheIPv6routinginformationfromdifferentVPNs.
VPN-IPv6isanew-denedaddressfamily.IntheextendedattributesofMP-BGP ,the
codesofVPN-IPv6addressfamilyareexpressedas:
lAFI=2:indicatingIPv6
19-1
SJ-20140504150128-018|2014-05-10(R1.0)ZTEProprietaryandCondential