H3C MSR系列路由器MPLS L3VPN跨域方案【A B C功能配置】

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1、MSR系列路由器MPLSL3VPN跨域方案A功能的配置关键词：MSR;MPLS;L3VPN;跨域;OptionA一、组网需求：peA和asbrA在AS1，peB和asbrB在AS2；peA和peB都下挂着vpna和vpnb的站点，peA下挂vpna和vpnb站点1，peB下挂vpna和vpnb站点2。设备清单：MSR系列路由器4台二、组网图：三、配置步骤：peA配置：#routerid3.3.3.3#ipvpn-instancevpnaroute-distinguisher3:1vpn-target1:1export-extcommunityvpn-target1:1im

2、port-extcommunity#ipvpn-instancevpnbroute-distinguisher3:2vpn-target2:2export-extcommunityvpn-target2:2import-extcommunity#mplslsr-id3.3.3.3#mpls#mplsldp#interfaceEthernet0/0portlink-moderouteipaddress1.3.0.3255.255.255.0mplsmplsldp#interfaceEthernet0/1portlink-moderouteipbindingvpn-insta

3、ncevpnaipaddress192.168.1.1255.255.255.0#interfaceEthernet1/0portlink-moderouteipbindingvpn-instancevpnbipaddress172.32.1.1255.255.255.0#interfaceLoopBack0ipaddress3.3.3.3255.255.255.255#bgp1undosynchronizationpeer1.1.1.1as-number1peer1.1.1.1connect-interfaceLoopBack0#ipv4-familyvpnv4peer

4、1.1.1.1enable#ipv4-familyvpn-instancevpnaimport-routedirect#ipv4-familyvpn-instancevpnbimport-routedirect#ospf1area0.0.0.0network3.3.3.30.0.0.0network1.3.0.00.0.0.255#asbrA配置：routerid1.1.1.1#ipvpn-instancevpnaroute-distinguisher1:1vpn-target1:1export-extcommunityvpn-target1:1import-extcom

5、munity#ipvpn-instancevpnbroute-distinguisher1:2vpn-target2:2export-extcommunityvpn-target2:2import-extcommunity#mplslsr-id1.1.1.1#mpls#mplsldp#interfaceEthernet0/0.1//asbr间用子接口区分不同vpn流量vlan-typedot1qvid1ipbindingvpn-instancevpnaipaddress1.2.1.1255.255.255.0#interfaceEthernet0/0.2//asbr间用子

6、接口区分不同vpn流量vlan-typedot1qvid2ipbindingvpn-instancevpnbipaddress1.2.2.1255.255.255.0#interfaceEthernet0/1portlink-moderouteipaddress1.3.0.1255.255.255.0mplsmplsldp#interfaceLoopBack0ipaddress1.1.1.1255.255.255.255#bgp1undosynchronizationpeer3.3.3.3as-number1//asbr和pe间是标准L3VPN配置peer3.3.3.3c

7、onnect-interfaceLoopBack0#ipv4-familyvpnv4peer3.3.3.3enable#ipv4-familyvpn-instancevpna//asbr间使用PE-CE模式传vpna路由peer1.2.1.2as-number2#ipv4-familyvpn-instancevpnb//asbr间使用PE-CE模式传vpna路由peer1.2.2.2as-number2#ospf1area0.0.0.0network1.1.1.10.0.0.0network1.3.0.00.0.0.255#a