CISCO 路由器MPLS VPN配置实例

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1、目录一、网络环境3二、网络描述3三、网络拓扑图4四、P路由器配置4五、PE1路由器配置6六、PE2路由器配置9七、CE1路由器配置11八、CE2路由器配置13九、业务测试14一、网络环境由5台CISCO7204组成的网络,一台为P路由器,两台PE路由器,两台CE路由器;二、网络描述在P和两台PE路由器这间通过OSPF动态路由协议完成MPLS网络的建立，两台PE路由器这间启用BGP路由协议，在PE路由器上向所属的CE路由器指VPN路由，在CE路由器中向PE路由器配置静态路由。配置思路：1、在P和两台PE路由器这间通过OSPF动态路

2、由协议，在P和PE路由器两两互连的端口上启用MPLS，两台PE之间的路为备份路由，这属公网路由。2、两台PE路由器这间启用BGP路由协议，这使得属于VPN的IP地址能在两个网络（两台CE所属的网络）互相发布，这属私网（VPN）路由。3、在PE路由器上向所属的CE路由器指VPN路由，这打通了两个网络（两台CE所属的网络）之间的路由。三、网络拓扑图四、P路由器配置p#SHOWRUNBuildingconfiguration...Currentconfiguration:1172bytes!version12.3servicetime

3、stampsdebugdatetimemsecservicetimestampslogdatetimemsecnoservicepassword-encryption!hostnamep!boot-start-markerboot-end-marker!!noaaanew-modelipsubnet-zero!!!ipcefipauditpomax-events100!!interfaceLoopback0ipaddress202.98.4.3255.255.255.255!interfaceFastEthernet0/0des

4、criptionto_r2ipaddress10.1.1.10255.255.255.252ipospfcost20duplexfulltag-switchingmtu1508tag-switchingip!interfaceFastEthernet1/0descriptionto_r3ipaddress10.1.1.6255.255.255.252ipospfcost20duplexfulltag-switchingmtu1508tag-switchingip!interfaceFastEthernet2/0noipaddre

5、ssshutdownduplexhalf!interfaceFastEthernet3/0noipaddressshutdownduplexhalf!routerospf100log-adjacency-changesredistributeconnectedsubnetsredistributestaticsubnetsnetwork10.1.1.60.0.0.0area0network10.1.1.100.0.0.0area0!ipclasslessnoiphttpservernoiphttpsecure-server!ga

6、tekeepershutdown!!linecon0exec-timeout00loggingsynchronousstopbits1lineaux0stopbits1linevty04login!!endp#五、PE1路由器配置pe1#showrunBuildingconfiguration...Currentconfiguration:1813bytes!version12.3servicetimestampsdebugdatetimemsecservicetimestampslogdatetimemsecnoservice

7、password-encryption!hostnamepe1!boot-start-markerboot-end-marker!!noaaanew-modelipsubnet-zero!!!ipvrfvpnard1:100route-targetexport200:1route-targetimport200:1!ipcefipauditpomax-events100!!interfaceLoopback0ipaddress202.98.4.1255.255.255.255!interfaceFastEthernet0/0de

8、scriptionto_r5ipvrfforwardingvpnaipaddress172.16.1.1255.255.255.252duplexfulltag-switchingip!interfaceFastEthernet1/0descriptionto_