1、拓展任務(wù) RIP路由自動匯總?cè)蝿?wù)描述：學(xué)校網(wǎng)絡(luò)管路員在日常維護(hù)中發(fā)現(xiàn)在學(xué)校運行RIP動態(tài)路由協(xié)議的路由器上查看到有幾條子網(wǎng)的路由被自動匯總成一條有類路由，為了更詳細(xì)的實現(xiàn)各條路由，通過對路由器進(jìn)行重新設(shè)置，取消自動匯總。1.1 實驗設(shè)備1、用戶自定義2621XM路由器4臺 2、PC機(jī)4臺 3、交叉線若干 任務(wù)實施：針對本工作任務(wù)，通過交叉雙絞線線纜將R1與R2的Fa0/0 接口連接、R2與R3的Fa0/1 接口連接、R31與R4的Fa1/0 接口連接。在路由器上啟用RIP動態(tài)路由協(xié)議。通過觀察路由表的變化來實現(xiàn)開啟和關(guān)閉路由自動匯總功能。網(wǎng)絡(luò)拓?fù)淙鐖D5-12所示。圖5-12路由器及PC機(jī)相關(guān)接

2、口的IP配置如表5-6所示。表5-6 IP配置表設(shè)備名接口IP地址子網(wǎng)掩碼R1Fa 0/010.1.1.1255.255.255.0Fa 1/1192.168.10.1255.255.255.0R2Fa 0/110.1.2.1255.255.555.0Fa 1/1192.168.20.1255.255.255.0R3Fa 0/010.1.1.2255.255.255.0Fa 0/110.1.2.2255.255.255.0Fa 1/0192.168.1.1255.255.255.0R4Fa 1/0192.168.1.2255.255.255.0Fa 1/1192.168.30.1255.255

3、.255.0PC1192.168.10.2255.255.255.0PC2192.168.20.2255.255.255.0PC3192.168.30.2255.255.255.0第1步：為路由器R1各個接口配置IP地址第2步：路由器R1啟用RIP路由第3步：為路由器R2各個接口配置IP地址第4步：路由器R2啟用RIP路由第5步：為路由器R3各個接口配置IP地址第6步：路由器R3啟用RIP路由第7步：為路由器R4各個接口配置IP地址第8步：路由器R4啟用RIP路由第9步： 查看路由器R4的路由表R4#show ip route Codes: C - connected, S - static,

4、 I - IGRP, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area

5、 * - candidate default, U - per-user static route, o - ODR P - periodic downloaded static routeGateway of last resort is not setR 10.0.0.0/8 120/1 via 192.168.1.1, 00:00:25, FastEthernet1/0C 192.168.1.0/24 is directly connected, FastEthernet1/0可以看到路由器R4從路由器R3上學(xué)習(xí)到得10.1.1.0和10.1.2.0網(wǎng)段路由被自動匯總成10.0.0.0的

6、A類路由。第10步：路由器R3啟動版本2，并關(guān)閉自動匯總第11步： 查看路由器R4的路由表R4#show ip route Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF ex

7、ternal type 2, E - EGP i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area * - candidate default, U - per-user static route, o - ODR P - periodic downloaded static routeGateway of last resort is not set 10.0.0.0/24 is subnetted, 2 subnetsR 10.1.1.0 120/1 via 192.168.1.1, 00:00:11, FastEthernet1/0R 1