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1、RIP单播路由更新配置【实验名称】RIP单播路由更新配置【实验目的】掌握在NBMA网络中RIP配置。【背景描述】某企业的广域网络是一个NBMA网(非广播多路访问,如帧中继),网络管理员在网络上配置了RIP路由协议,由于RIP一般是采用广播或组播方式发送路由信息,但在非广播网和非广播多路访问网(NBMA网)上,缺省是不能发送广播或组播包的,因此,网络管理员决定采用单播方式来通告RIP路由更新信息,现要在路由器上做适当配置来实现单播RIP路由发布。【实现功能】通过RIP单播路由更新实现非广播多路访问网络的互连互通。【实验设备】R17622(2台)、串口线(一根)、pc机(两台)、交叉线(两根)
2、【实验拓扑】【实验步骤】注:以下实验假定已配置了RIP路由协议及接口IP地址。步骤一Router1(config)#routerrip//创建RIP路由进程Router1(config-router)#passive-interfaceserial0//定义serial0为被动接口注:即使在被动接口上,单播路由也会向指定邻居发送路由更新信息Router1(config-router)#neighbor172.16.2.2//配置向邻居路由器Router2用单播发送路由更新信息验证测试:验证Router1发送的路由通告Router1#debugiprip//显示Router1发送和接收的RI
3、P路由更新信息RIP:sendingv1updateto255.255.255.255viaFastEthernet0(172.16.1.1)subnet172.16.2.0,metric1subnet172.16.3.0,metric2RIP:sendingv1updateto172.16.2.2viaSerial0(172.16.2.1)subnet172.16.1.0,metric1subnet172.16.2.0,metric1RIP:receivedv1updatefrom172.16.2.2onSerial0172.16.3.0in1hopsRIP:sendingv1updat
4、eto255.255.255.255viaFastEthernet0(172.16.1.1)subnet172.16.2.0,metric1subnet172.16.3.0,metric2RIP:sendingv1updateto172.16.2.2viaSerial0(172.16.2.1)subnet172.16.1.0,metric1subnet172.16.2.0,metric1RIP:receivedv1updatefrom172.16.2.2onSerial0172.16.3.0in1hops……Router1#nodebugall//关闭调试功能步骤二验证Router2接收的
5、路由信息Router2#showiproute//显示Router2的路由表Codes:C-connected,S-static,R-RIPO-OSPF,IA-OSPFinterareaE1-OSPFexternaltype1,E2-OSPFexternaltype2Gatewayoflastresortisnotset172.16.0.0/24issubnetted,3subnetsR172.16.1.0[120/1]via172.16.2.1,00:00:05,Serial0C172.16.2.0isdirectlyconnected,Serial0C172.16.3.0isdirec
6、tlyconnected,FastEthernet0Router2#debugiprip//显示Router2发送和接收的RIP路由更新信息RIPprotocoldebuggingisonRouter2#RIP:sendingv1updateto255.255.255.255viaFastEthernet0(172.16.3.2)subnet172.16.1.0,metric2subnet172.16.2.0,metric1RIP:sendingv1updateto255.255.255.255viaSerial0(172.16.2.2)subnet172.16.3.0,metric1RI
7、P:receivedv1updatefrom172.16.2.1onSerial0172.16.1.0in1hops172.16.2.0in1hopsRIP:sendingv1updateto255.255.255.255viaFastEthernet0(172.16.3.2)subnet172.16.1.0,metric2subnet172.16.2.0,metric1RIP:sendingv1updateto255.