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1、RIP單播路由更新配置【實驗名稱】RIP單播路由更新配置【實驗?zāi)康摹空莆赵贜BMA網(wǎng)絡(luò)中RIP配置?!颈尘懊枋觥磕称髽I(yè)的廣域網(wǎng)絡(luò)是一個NBMA網(wǎng)(非廣播多路訪問,如幀中繼),網(wǎng)絡(luò)管理員在網(wǎng)絡(luò)上配置了RIP路由協(xié)議,由于RIP一般是采用廣播或組播方式發(fā)送路由信息,但在非廣播網(wǎng)和非廣播多路訪問網(wǎng)(NBMA網(wǎng))上,缺省是不能發(fā)送廣播或組播包的,因此,網(wǎng)絡(luò)管理員決定采用單播方式來通告RIP路由更新信息,現(xiàn)要在路由器上做適當(dāng)配置來實現(xiàn)單播RIP路由發(fā)布?!緦崿F(xiàn)功能】通過RIP單播路由更新實現(xiàn)非廣播多路訪問網(wǎng)絡(luò)的互連互通。【實驗設(shè)備】R17622(2臺)、串口線(一根)、pc機(兩臺)、交叉線(兩根)
2、【實驗拓撲】【實驗步驟】注:以下實驗假定已配置了RIP路由協(xié)議及接口IP地址。步驟一Router1(config)#routerrip//創(chuàng)建RIP路由進程Router1(config-router)#passive-interfaceserial0//定義serial0為被動接口注:即使在被動接口上,單播路由也會向指定鄰居發(fā)送路由更新信息Router1(config-router)#neighbor172.16.2.2//配置向鄰居路由器Router2用單播發(fā)送路由更新信息驗證測試:驗證Router1發(fā)送的路由通告Router1#debugiprip//顯示Router1發(fā)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//關(guān)閉調(diào)試功能步驟二驗證Router2接收的
5、路由信息Router2#showiproute//顯示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//顯示Router2發(fā)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.