Zte ZXR10 ZSR V2 - Chapter 8 BGP4+ Configuration; Configuring BGP4+

Chapter8
BGP4+Conguration
TableofContents
BGP4+Overview........................................................................................................8-1
ConguringBGP4+....................................................................................................
8-1
BGP4+CongurationInstances.................................................................................8-3
8.1BGP4+Overview
TheBorderGatewayProtocol(BGP)isaroutingprotocolappliedbetweenASsto
exchangenetworkreachabilityinformationbetweentheASs.Theinformationcoversa
listofASsthataroutepassesthrough.Itissufcientforestablishingadiagramindicating
theconnectionstatusoftheASs.ThismakespossibleAS-basedroutingpoliciesandat
thesametimesolvestherouteloopissue.
BGP4+isanextensionofBGP .ItassumesthebasicmessageformatofBGP4asdened
inRFCbuthasaddedwiththeextendedattributestotransmitIPv6routinginformation,and
processesallIPv6routesaccordingtoRFC.BGP4+alsosupportstheextendedfunctions
suchasBGProutereectionandBGPallianceasdenedinRFC.Ithasthefollowing
features:
lSupportingrouteaggregation
lEmployingTCPasthebottom-layerprotocolandusingTCPport179toguaranteea
reliableoperation
lTransmittingrouteupdatesonly
lPeriodicallysendingthekeep-alivessignaltoguaranteenormalTCPconnections
lPossessingcompletemetrics
lBoastingofabundantattributesandpowerfulcontrolfunctions
lSuitinghugenetworks
TheoperatingprinciplesofBGP4+aresimilartothoseofBGP .
8.2ConguringBGP4+
ThisproceduredescribeshowtoconguretheattributesandfunctionsofBGP4+protocol
routes,includingbasicfunctionsandrouteloadsharing.
Steps
1.CongureBGP4+basicfunction.
FortheZXR10ZSRV2,thecommandsforconguringBGP4+aresimilartothose
forconguringBGPinIPv4,exceptthattheZXR10ZSRV2supportsIPv6address
8-1
SJ-20140504150128-018|2014-05-10(R1.0)ZTEProprietaryandCondential