实验5、基本RIP协议分析实验

《网络协议分析》实验报告2011至2012学年第1学期姓名系别实验地点学号年级、班实验时间2011年10月12日实验项目实验五基本RIP协议分析实验一、实验目的实验目的：掌握RIPvl的路由更新机制二、实验环境dynamips,windows平台，PC机三、实验内容及步骤：通过对比配置RIPvl前后各路由器路由表的变化，以及用抓包软件分析RIPvl路由更新包，分析RIPvl协议的一些机制：水平分割机制、自动地址汇总机制，以及用距离矢量算法对收到的在如上图所示的拓朴中，先为各路由器配置接口IP，然后在各路由器上配置RIP路由协议，使得PC1、PC2、PC3相互之间可以连通。在对R1进行配置之前，在R1的F1/1端口上抓包：Dynagen=>captureR1F1/1rip.pcap1、对于各串行链路，如R2，配置接口如下：R2#conftR2(config)#ints0/0R2(config-if)#ipadd172.17.1.7255.255.255.0R2(config-if)#clockrate252000R2(config-if)#noshR2(config-if)#end对于各快速以太网接口，如R1，配置接口IP地址如下：R1#conftR1(config)#intf1/0R1(config-if)#noswitchportR1(config-if)#ipadd10.33.5.1255.255.240.0R1(config-if)#noshR1(config-if)#end2、配置RIP路由协议：配置RIP协议之前，各路由器的路由表分别为(用showiproute查看R1、R2、R3、R4的路由表)，并粘贴结果：R1：C192.168.83.0/24isdirectlyconnected,FastEthernet1/110.0.0.0/20issubnetted,1subnetsC10.33.0.0isdirectlyconnected,FastEthernet1/0R2192.168.12.0/27issubnetted,2subnetsC192.168.12.64isdirectlyconnected,FastEthernet1/1C192.168.12.192isdirectlyconnected,FastEthernet1/2172.17.0.0/24issubnetted,2subnetsC172.17.1.0isdirectlyconnected,Serial0/0C172.17.2.0isdirectlyconnected,Serial0/1C192.168.83.0/24isdirectlyconnected,FastEthernet1/0R3172.17.0.0/24issubnetted,2subnetsC172.17.1.0isdirectlyconnected,Serial0/0C172.17.3.0isdirectlyconnected,FastEthernet1/0R4172.17.0.0/24issubnetted,2subnetsC172.17.4.0isdirectlyconnected,FastEthernet1/0C172.17.2.0isdirectlyconnected,Serial0/0在R1上配置RIP路由协议如下：R1#conftR1(config)#routerripR1(config)#network10.0.0.0R1(config)#network192.168.83.0R1(config)#end在R1上打开调试开关：R1#debugiprip在陆续对R2、R3、R4上配置了RIP协议后，查看调试信息，粘贴R1从R2收到的路由更新包:R1从R2收到的路由更新包：*Mar100:40:58.147:RIP:receivedv1updatefrom192.168.83.1onFastEthernet1/1*Mar100:36:52.067:172.17.0.0in1hops*Mar100:36:52.071:192.168.12.0in1hops在R2上配置RIP路由协议如下：R2#conftR2(config)#routerripR2(config)#network192.168.12.0R2(config)#network192.168.83.0R2(config)#network172.17.0.0R2(config)#end在对R3、R4配置RIP之前，在R2上打开调试开关：R2#debugiprip在对R3、R4配置了RIP之后，查看调试信息，粘贴R2分别从R1、R3、R4收到的路由更新包:R2从R1收到的路由更新包：*Mar100:40:37.251:RIP:receivedv1updatefrom192.168.83.244onFastEthernet1/0*Mar100:39:09.943:10.0.0.0in1hopsR2从R3收到的路由更新包：*Mar100:43:45.523:RIP:receivedv1updatefrom172.17.1.2onSerial0/0*Mar100:43:45.527:172.17.3.0in1hopsR2从R4收到的路由更新包：*Mar100:47:58.511:RIP:receivedv1updatefrom172.17.2.2onSerial0/1*Mar100:47:58.511:172.17.4.0in1hops3、在对四台路由器都配置了RIP协议之后，查看每台路由器的路由表：分别在每台路由器上用命令showiproute查看，如R1：R1#showiproute并粘贴各路由器的路由表：R1：R192.168.12.0/24[120/1]via192.168.83.1,00:00:05,FastEthernet1/1R172.17.0.0/16[120/1]via192.168.83.1,00:00:05,FastEthernet1/1C192.168.83.0/24isdirectlyconnected,FastEthernet1/110.0.0.0/20issubnetted,1subnetsC10.33.0.0isdirectlyconnected,FastEthernet1/0R2192.168.12.0/27issubnetted,2subnetsC192.168.12.64isdirectlyconnected,FastEthernet1/1C192.168.12.192isdirectlyconnected,FastEthernet1/2172.17.0.0/24issubnetted,4subnetsR172.17.4.0[120/1]via172.17.2.2,00:00:07,Serial0/1C172.17.1.0isdirectlyconnected,Serial0/0R172.17.3.0[120/1]via172.17.1.2,00:00:07,Serial0/0C172.17.2.0isdirectlyconnected,Serial0/1C192.168.83.0/24isdirectlyconnected,FastEthernet1/0R10.0.0.0/8[120/1]via192.168.83.244,00:00:26,FastEthernet1/0R3R192.168.12.0/24[120/1]via172.17.1.1,00:00:09,Serial0/0172.17.0.0/24issubnetted,4subnetsR172.17.4.0[120/2]via172.17.1.1,00:00:09,Serial0/0C172.17.1.0isdirectlyconnected,Serial0/0C172.17.3.0isdirectlyconnected,FastEthernet1/0R172.17.2.0[120/1]via172.17.1.1,00:00:09,Serial0/0R192.168.83.0/24[120/1]via172.17.1.1,00:00:09,Serial0/0R10.0.0.0/8[120/2]via172.17.1.1,00:00:09,Serial0/0R4R192.168.12.0/24[120/1]via172.17.2.1,00:00:24,Serial0/0172.17.0.0/24issubnetted,4subnetsC172.17.4.0isdirectlyconnected,FastEthernet1/0R172.17.1.0[120/1]via172.17.2.1,00:00:24,Serial0/0R172.17.3.0[120/2]via172.17.2.1,00:00:24,Serial0/0C172.17.2.0isdirectlyconnected,Serial0/0R192.168.83.0/24[120/1]via172.17.2.1,00:00:24,Serial0/0R10.0.0.0/8[120/2]via172.17.2.1,00:00:24,Serial0/04、验证所配置路由协议正常工作：从PC1pingPC2:VPCS1>ping172.17.3.10icmp_seq=1timeouticmp_seq=2time=172.000msicmp_seq=3time=141.000msicmp_seq=4time=140.000msicmp_seq=5time=156.000ms从PC1pingPC3:VPCS1>ping172.17.4.10icmp_seq=1timeouticmp_seq=2time=140.000msicmp_seq=3time=156.000msicmp_seq=4time=172.000msicmp_seq=5time=141.000ms从PC2pingPC3:VPCS2>ping172.17.4.10icmp_seq=1time=125.000msicmp_seq=2time=141.000msicmp_seq=3time=171.000msicmp_seq=4time=157.000msicmp_seq=5time=141.000ms四、实