【文章內容簡介】 prnif$ address *A:SpokePE1configservicevprnif$ sap 2/1/1 create *A:SpokePE1configservicevprnifsap$ back *A:SpokePE1configservicevprnif$ back *A:SpokePE1configservicevprn autobind ldp *A:SpokePE1configservicevprn no shutdown 配置SpokePE2。*A:SpokePE2config port 2/1/1 *A:SpokePE2configport ethernet mode access*A:SpokePE2configport no shutdown*A:SpokePE2configport exit*A:SpokePE2configservicevprn back*A:SpokePE2configservice vprn 200 customer 1 create *A:SpokePE2configservicevprn$ routedistinguisher 500:200 *A:SpokePE2configservicevprn$ vrftarget import target:500:200 export target:500:100 *A:SpokePE2configservicevprn$ interface GE2/1/1 create *A:SpokePE2configservicevprnif$ address *A:SpokePE2configservicevprnif$ sap 2/1/1 create *A:SpokePE2configservicevprnifsap$ back *A:SpokePE2configservicevprnif$ back *A:SpokePE2configservicevprn autobind ldp *A:SpokePE2configservicevprn no shutdown 配置HubPE。*A:HUBPE3config port 2/1/1 *A:HUBPE3configport ethernet mode access*A:HUBPE3configport no shutdown*A:HUBPE3configport exit*A:HUBPE3config port 2/1/2*A:HUBPE3configport ethernet mode access*A:HUBPE3configport no shutdown*A:HUBPE3configport exit*A:HUBPE3configservicevprn back*A:HUBPE3configservice vprn 100 customer 1 create *A:HUBPE3configservicevprn$ routedistinguisher 500:100 *A:HUBPE3configservicevprn$ vrftarget expport target:500:200 *A:HUBPE3configservicevprn$ interface GE2/1/1 create *A:HUBPE3configservicevprnif$ address *A:HUBPE3configservicevprnif$ sap 2/1/1 create *A:HUBPE3configservicevprnifsap$ back *A:HUBPE3configservicevprnif$ back *A:HUBPE3configservicevprn autobind ldp *A:HUBPE3configservicevprn no shutdown *A:HUBPE3configservicevprn back*A:HUBPE3configservice vprn 200 customer 1 create *A:HUBPE3configservicevprn$ routedistinguisher 500:200 *A:HUBPE3configservicevprn$ vrftarget impport target:500:100 *A:HUBPE3configservicevprn$ interface GE2/1/1 create *A:HUBPE3configservicevprnif$ address *A:HUBPE3configservicevprnif$ sap 2/1/1 create *A:HUBPE3configservicevprnifsap$ back *A:HUBPE3configservicevprnif$ back *A:HUBPE3configservicevprn autobind ldp *A:HUBPE3configservicevprn no shutdown (4) 在PE與CE之間建立EBGP對等體關系，引入VPN路由amp。 說明：HubPE上需要配置允許一次AS號重復，以接收HubCE發(fā)布的路由。 配置SpokePE1。省略，詳見上一例 配置SpokePE2。省略，詳見上一例 配置HubPE。*A:HUBPE3 configure router policyoptions *A:HUBPE3configrouterpolicyoptions begin *A:HUBPE3configrouterpolicyoptions policystatement vpnbgp *A:HUBPE3configrouterpolicyoptionspolicystatement$ entry 1 *A:HUBPE3configrouterpolicyoptionspolicystatemententry$ to protocol bgp *A:HUBPE3configrouterpolicyoptionspolicystatemententry action accept *A:HUBPE3configrouterpolicyoptionspolicystatemententryaction back *A:HUBPE3configrouterpolicyoptionspolicystatemententry back *A:HUBPE3configrouterpolicyoptionspolicystatement back *A:HUBPE3configrouterpolicyoptions mit *A:HUBPE3configrouterpolicyoptions exit*A:HUBPE3 configure service *A:HUBPE3configservice vprn 100 customer 1 create *A:HUBPE3configservicevprn autonomoussystem 500 *A:HUBPE3configservicevprn bgp *A:HUBPE3configservicevprnbgp$ group ce *A:HUBPE3configservicevprnbgpgroup type external *A:HUBPE3configservicevprnbgpgroup peeras 300 *A:HUBPE3configservicevprnbgpgroup family ipv4 *A:HUBPE3configservicevprnbgpgroup localaddress *A:HUBPE3configservicevprnbgpgroup neighbor *A:HUBPE3configservicevprnbgpgroupneighbor loopdetect off*A:HUBPE3configservicevprnbgpgroupneighbor back *A:HUBPE3configservicevprnbgpgroup back *A:HUBPE3configservicevprnbgp back *A:HUBPE3configservicevprn no shutdown*A:HUBPE3configservicevprn back*A:HUBPE3configservice vprn 200 customer 1 create *A:HUBPE3configservicevprn autonomoussystem 500 *A:HUBPE3configservicevprn bgp *A:HUBPE3configservicevprnbgp$ group ce *A:HUBPE3configservicevprnbgpgroup type external *A:HUBPE3configservicevprnbgpgroup peeras 300 *A:HUBPE3configservicevprnbgpgroup family ipv4 *A:HUBPE3configservicevprnbgpgroup localaddress *A:HUBPE3configservicevprnbgpgroup neighbor *A:HUBPE3configservicevprnbgpgroupneighbor loopdetect off*A:HUBPE3configservicevprnbgpgroupneighbor back *A:HUBPE3configservicevprnbgpgroup back *A:HUBPE3configservicevprnbgp back *A:HUBPE3configservicevprn no shutdown(5) 在PE之間建立MPIBGP對等體關系amp。 說明：SpokePE上需要配置允許AS號重復，以接收HubPE發(fā)布的路由。 配置SpokePE1。*A:PE1 configure router *A:PE1configrouter autonomoussystem 500 *A:PE1configrouter bgp *A:PE1configrouterbgp group mpls *A:PE1configrouterbgpgroup$ family vpnipv4 *A:PE1configrouterbgpgroup$ type internal *A:PE1configrouterbgpgroup$ localaddress *A:PE1configrouterbgpgroup$ neighbor *A:PE1configrouterbgpgroupneighbor$ loopdetect*A:PE1configrouterbgpgroupneighbor$ back *A:PE1configrouterbgpgroup back *A:PE1configrouterbgp 配置SpokePE2。*A:SpokePE2 configure router *A:SpokePE2configrouter autonomoussystem 500 *A:SpokePE2configrouter bgp *A:SpokePE2configrouterbgp group mpls *A:SpokePE2configrouterbgpgroup$ family vpnipv4 *A:SpokePE2configrouterbgpgroup$ type internal *A:SpokePE2configrouterbgpgroup$ localaddress *A:SpokePE2configrouterbgpgroup$ neighbor *A:SpokePE2configrouterbgpgroupneighbor$ loopdetect*A:SpokePE2configrouterbgpgroupneighbor$ back *A:SpokePE2configrouterbgpgroup back *A:SpokePE2configrout