Lab6:RIPV1的有类路由

2007-03-31 10:48:34

注：R2为DCE
因RIPv1为有类路由，（默认为RIPV1）故他会自动汇总，并且只认有类IP网络，1.1.1.0/24，他依然只把他做为A类地址来看待，所以你发布网络：
net 1.1.1.0 与net 1.0.0.0 效果是一样的。也就是说这个实验的结果是R1ping 不通R3的回环口，R2只可以ping 通R1或F3其中的一个回环口。

Router>

Router>en

Router#con t

Enter configuration commands, one per line. End with CNTL/Z.

Router(config)#host R1

R1(config)#int loopback 1

R1(config-if)#ip add 1.1.1.1 255.255.255.0

R1(config-if)#no sh

R1(config-if)#int s0/0

R1(config-if)#ip add 192.168.1.1 255.255.255.0

R1(config-if)#no sh

R1(config-if)#exit

R1(config)#router rip

R1(config-router)#net 1.0.0.0

R1(config-router)#net 192.168.1.0

R1(config-router)#exit

R1(config)#exit

R1#

router>en
router#con t
router(config)#host R2

R2(config)#int s0/0

R2(config-if)#ip add 192.168.1.2 255.255.255.0

R2(config-if)#clock rate 64000

R2(config-if)#no sh

R2(config-if)#exit

R2(config)#int s0/1

R2(config-if)#ip add 192.168.2.1 255.255.255.0

R2(config-if)#clock rate 64000

R2(config-if)#no sh

R2(config-if)#exit

R2(config)#router rip

R2(config-router)#net 192.168.1.0

R2(config-router)#net 192.168.2.0

R2(config-router)#exit

R2(config)#exit

Router>

Router>en

Router#con t

Router(config)#host R3

R3(config)#int s0/0

R3(config-if)#ip add 192.168.2.2 255.255.255.0

R3(config-if)#no sh

R3(config-if)#exit

R3(config)#int loopback 1

R3(config-if)#ip add 1.1.2.1 255.255.255.0

R3(config-if)#no sh

R3(config-if)#exit

R3(config)#router rip

R3(config-router)#net 192.168.2.0

R3(config-router)#net 1.0.0.0

R3(config-router)#end
R3#
现在路由都配过了，看下各自的路由表：

R1#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

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, * - candidate default

U - per-user static route

Gateway of last resort is not set

1.0.0.0/24 is subnetted, 1 subnets

C 1.1.1.0 is directly connected, Loopback1

C 192.168.1.0 is directly connected, Serial0/0

R 192.168.2.0 [120/1] via 192.168.1.2, 00:02:33, Serial0/0

R2#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

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, * - candidate default

U - per-user static route

Gateway of last resort is not set

C 192.168.1.0 is directly connected, Serial0/0

C 192.168.2.0 is directly connected, Serial0/1

R 1.0.0.0 [120/1] via 192.168.2.2, 00:09:28, Serial0/1

R2#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

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, * - candidate default

U - per-user static route

Gateway of last resort is not set

C 192.168.1.0 is directly connected, Serial0/0

C 192.168.2.0 is directly connected, Serial0/1

R 1.0.0.0 [120/1] via 192.168.2.2, 00:05:35, Serial0/1

同样是R2不同时间竟然不一样。

R3#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

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, * - candidate default

U - per-user static route

Gateway of last resort is not set

C 192.168.2.0 is directly connected, Serial0/0

1.0.0.0/24 is subnetted, 1 subnets

C 1.1.2.0 is directly connected, Loopback1

R 192.168.1.0 [120/1] via 192.168.2.1, 00:05:41, Serial0/0

R3#ping 1.1.1.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 1.1.1.1, timeout is 2 seconds:

.....

Success rate is 0 percent (0/5), round-trip min/avg/max = 1/2/4 ms

结果就是这个样子。

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