CCNA配置试验之二 RIPv2协议的配置
2010-04-17 19:50
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RIP概述 RIP也称距离矢量协议,用信息包所经过的网关来做距离的单位,超过15跳便无法到达 RIP是通过UDP端口520来进行操作的,RIP信息包是封装在UDP segment中的.RIP定义了2种信息类型 Request message(请求信息)和Response message(应答信息).请求信息是用来向邻居请求发送一个update(更新),应答信息运载着这个被请求的update. RIP的 metric是基于hop count(跳数)的,metric为16代表不可达 RIPv2 与 RIPv1 的区别 - 是个无类的路由协议 - 组播(224.0.0.9)路由更新(不用广播) - 支持 VLSM(在更新过程中发送掩码) - 支持手动汇总 - 支持 (MD5) 或者 纯文本认证 RIP 配置 Router(config)#router rip 激活RIP协议 Router(config-router)# version 2 启用RIPv2 Router(config-router)#network network-number 选择需要激活的接口所在的网段 用试验验证RIPv2的配置: 试验环境如下: 试验环境说明: R1的ip地址为10.1.1.1 (S0/0) 网络掩码为255.255.255.0 R2的ip地址为 10.1.1. 2 (S0/0) 10.2.2.2 (S0/1) 网络掩码为255.255.255.0 R3的ip地址为 10.2.2.3 (S0/1) 网络掩码为255.255.255.0 R1的S0/0 R2的S0/1 为DCE端 试验要求:在路由器间配置RIPv2 使路由器间相互ping通。 下面开始试验(红色字体为配置内容) R1 Router>en Router#conf t Enter configuration commands, .e per line. End with CNTL/Z. Router(config)#host r1 r1(config)#int s0/0 r1(config-if)#ip addr 10.1.1.1 255.255.255.0 r1(config-if)#no shut r1(config-if)#clock rate 64000 r1(config-if)#exit r1(config)#router rip r1(config-router)#ver 2 r1(config-router)#network 10.0.0.0 R2 Router>en Router#conf t Enter configuration commands, .e per line. End with CNTL/Z. Router(config)#host r2 r2(config)#int s0/0 r2(config-if)#ip addr 10.1.1.2 255.255.255.0 r2(config-if)#no shut r2(config-if)#exit r2(config)#int s0/1 r2(config-if)#ip addr 192.168.1.1 255.255.255.0 r2(config-if)#clock rate 64000 r2(config-if)#no shut r2(config-if)#exit r2(config)#router rip r2(config-router)#ver 2 r2(config-router)#network 10.0.0.0 r2(config-router)#network 192.168.1.0 R3 Router>en Router#conf t Enter configuration commands, .e per line. End with CNTL/Z. Router(config)#host r3 r3(config)#int s0/1 r3(config-if)#ip addr 192.168.1.2 255.255.255.0 r3(config-if)#no shut r3(config-if)#exit r3(config)#router rip r3(config-router)#ver 2 r3(config-router)#network 192.168.1.0 在路由器 R1 R2 R3上show ip route 查看路由表信息 R1 r1#show ip route Codes: C - connected, S - static, 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 i - IS-IS, su - IS-IS summary, 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 route Gateway of last resort is not set 10.0.0.0/24 is subnetted, 1 subnets C 10.1.1.0 is directly connected, Serial0/0 R 192.168.1.0/24 [120/1] via 10.1.1.2, 00:00:54, Serial0/0 R2 r2#show ip route Codes: C - connected, S - static, 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 i - IS-IS, su - IS-IS summary, 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 route Gateway of last resort is not set 10.0.0.0/24 is subnetted, 1 subnets C 10.1.1.0 is directly connected, Serial0/0 C 192.168.1.0/24 is directly connected, Serial0/1 R3 r3>show ip route Codes: C - connected, S - static, 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 i - IS-IS, su - IS-IS summary, 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 route Gateway of last resort is not set R 10.0.0.0/8 [120/1] via 192.168.1.1, 00:00:15, Serial0/1 C 192.168.1.0/24 is directly connected, Serial0/1 在路由器R1上 show ip protocols 查看路由协议 如下内容所示 路由器之间通讯协议为rip r1#show ip protocols Routing Protocol is "rip" Outgoing update filter list for all interfaces is not set Incoming update filter list for all interfaces is not set Sending updates every 30 seconds, next due in 10 seconds Invalid after 180 seconds, hold down 180, flushed after 240 Redistributing: rip Default version control: send version 2, receive version 2 Interface Send Recv Triggered RIP Key-chain Serial0/0 2 2 Automatic network summarization is in effect Maximum path: 4 Routing for Networks: 10.0.0.0 Routing Information Sources: Gateway Distance Last Update 10.1.1.2 120 00:00:16 Distance: (default is 120) 在R1上对R3 R4 进行ping 测试,如下所示,全部ping通啦 r1#ping 10.1.1.2 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 10.1.1.2, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 144/402/576 ms r1#ping 192.168.1.1 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 192.168.1.1, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 140/258/500 ms r1#ping 192.168.1.2 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 192.168.1.2, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 356/548/860 ms OK 试验成功 本文出自 “范琳琳学习笔记” 博客,请务必保留此出处http://fanlinlin.blog.51cto.com/535085/132305 本文出自 51CTO.COM技术博客本文出自 51CTO.COM技术博客 |
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