《计算机网络》实验指导书：PPP封装PAP验证配置.doc

海量资料 超值下载PPP封装PAP验证配置一、实验目的1.掌握PAP验证配置2.理解验证过程二、实验描述基于安全的考虑，需要路由器双方验证通过后才能建立连接三、实验拓扑四、实验设备1.R2801 2台2.串口线 1根五、实验步骤第1步：接口地址配置参照前面的讲解Router-A: S1/1: 192.168.1.1Router-B: S1/0:192.168.1.2第2步：Router-A的配置Router-AenRouter-A#config tRouter-A(config)#int s1/1Router-A(config-if)#ip address 192.168.1.1 255.255.255.0Router-A(config-if)#no shutRouter-A(config-if)#exitRouter-A(config)#username Router-B pass jsj414设置账号与密码Router-A(config)#int s1/1Router-A(config-if)#encapsulation ppp封装PPPRouter-A(config-if)#ppp authentication pap选择PPP认证方式Router-A(config-if)#ppp pap sent-username Router-A password jsj414设置发送给对方的账号与密码Router-A(config-if)#clock rate 64000Router-A(config-if)#exit第3步：查看接口配置Router-A#show interface serial 1/1Serial1/1 is up, line protocol is down (disabled)对端没有配置PPP，因此down Hardware is HD64570 Internet address is 192.168.1.1/24 MTU 1500 bytes, BW 128 Kbit, DLY 20000 usec, rely 255/255, load 1/255 Encapsulation PPP, loopback not set, keepalive set (10 sec) LCP Closed Closed: LEXCP, BRIDGECP, IPCP, CCP, CDPCP, LLC2, BACP Last input never, output never, output hang never第4步：Route-B的配置Router-BenRouter-B#config tRouter-B(config)#username Router-A password jsj414Router-B(config)#int s1/0Router-B(config-if)#ip address 192.168.1.2 255.255.255.0Router-B(config-if)#encapsulation pppRouter-B(config-if)#ppp authentication papRouter-B(config-if)#ppp pap sent-username Router-B password jsj414Router-B(config-if)#no shut%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1/0, changed state to upRouter-B(config-if)#exit第5步：查看接口配置Router-B#show interface serial1/0Serial1/0 is up, line protocol is up (双方通过PPP认证，所以UPconnected) Hardware is HD64570 Internet address is 192.168.1.2/24 MTU 1500 bytes, BW 128 Kbit, DLY 20000 usec, rely 255/255, load 1/255 Encapsulation PPP, loopback not set, keepalive set (10 sec) LCP Open Open: IPCP, CDPCP Last input never, output never, output hang never Last clearing of show interface counters never省略第6步：测试连通性Router-B#ping 192.168.1.1Type 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无丢包), round-trip min/avg/max = 31/31/32 msRouter-B#六、注意事项1.账号与密码一定要交叉对应，发送的账号密码要和对方的账号数据库中的账号密码对应2.不要忘记配置DCE端的时钟频率七、参考配置Router-B#sh runBuilding configuration.!hostname Router-B!username Router-A password 0 jsj414!interface Loopback0 ip address 172.16.2.1 255.255.255.0!interface Serial1/0 ip address 192.168.1.2 255.255.255.0 encapsulation ppp ppp authentication pap ppp pap s