MPLS VPN 实验手册(cisco)

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1、MPLSVPN实验一、拓朴图说明：1、设备接互联地址：如R1与R2间的互联地址为10.1.12.0/24；LOOKBACK接口地址为：1.1.1.1/32；2、CORE内运行OSPF（进行号100,area0）,激活MPLS；3、PE上创建VRF（VPNA），PE与CE间通过OSPF互联（进程号：1）；4、R2与R4两台PE间建立MP-IBGP邻接关系，（BGPAS234）5、完成PE-CE间的路由重发布；二、配置信息：R1：（CE1）R1#showrun!hostnameR1!ipcef!interfaceL

2、oopback0ipaddress1.1.1.1255.255.255.255ipospfnetworkpoint-to-point!interfaceFastEthernet0/0ipaddress10.1.12.1255.255.255.0duplexautospeedautomplsip!interfaceFastEthernet0/1noipaddressshutdownduplexautospeedauto!routerospf1router-id1.1.1.1log-adjacency-change

3、snetwork1.1.1.10.0.0.0area0network10.1.12.10.0.0.0area0!!endR1#R2：（PE1）R2#R2#showrun!hostnameR2!ipcef!ipvrfvpnard1:1route-targetexport234:2route-targetimport234:4!mplslabelrange200299mplsldprouter-idLoopback0!!interfaceLoopback0ipaddress2.2.2.2255.255.255.25

4、5!interfaceFastEthernet0/0ipvrfforwardingvpnaipaddress10.1.12.2255.255.255.0duplexautospeedauto!interfaceFastEthernet0/1ipaddress10.1.23.2255.255.255.0duplexautospeedautomplsip!routerospf1vrfvpnalog-adjacency-changesredistributebgp234subnetsnetwork10.1.12.20

5、.0.0.0area0!routerospf100router-id2.2.2.2log-adjacency-changesnetwork2.2.2.20.0.0.0area0network10.1.23.20.0.0.0area0!routerbgp234bgprouter-id2.2.2.2nobgpdefaultipv4-unicastbgplog-neighbor-changesneighbor4.4.4.4remote-as234neighbor4.4.4.4update-sourceLoopback

6、0!address-familyvpnv4neighbor4.4.4.4activateneighbor4.4.4.4send-communityextendedexit-address-family!address-familyipv4vrfvpnaredistributeospf1vrfvpnamatchinternalexternal1external2noauto-summarynosynchronizationexit-address-family!!endR2#R3：（P）R3#R3#showrun

7、!hostnameR3!ipcef!mplslabelrange300399mplsldprouter-idLoopback0!!interfaceLoopback0ipaddress3.3.3.3255.255.255.255!interfaceFastEthernet0/0ipaddress10.1.23.3255.255.255.0duplexautospeedautomplsip!interfaceFastEthernet0/1ipaddress10.1.34.3255.255.255.0duplexa

8、utospeedautomplsip!routerospf100router-id3.3.3.3log-adjacency-changesnetwork3.3.3.30.0.0.0area0network10.1.23.30.0.0.0area0network10.1.34.30.0.0.0area0!!endR3#R4：（PE2）R4#R4#showrunBuildingconfig