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1、帧中继Frame-Relay静态映射【实验名称】帧中继Frame-Relay静态映射【实验目的】把握利用静态映射方式实现Frame-relay连接。【背景描述】你是某公司的网管，公司的网络运行在Frame-Relay上，分公司的设备不支持反转动态 地址映射，本地端必需配置静态地址映射才能通信，请你实现此操作。【实现功能】地址映射手工配置，反映远端设备的IP地址和本地DLCI的对应关系。【实验拓扑】192.168，3.2/24*SO | 192468.1/242030211钟岭1我山31192.168 123.3/24【实验设备】R2620 或 R2624 路由器(4 台)、m2602As 同异
2、步接口模块一个、V35DCE (3 根)、V35DTE(3根)【实验步骤】第一步：大体配置，配置帧中继互换机Red-Giantenab1eRed-Giant(config)#hostname FRFR(config)#frame-relay switching !路由器模拟成帧中继互换机FR(config)Sinterface serial 0 ! 进入广域网接口 serial 0FR(config-if)Sencapsulation frame-relay ietf !封装帧中继并封装其格式为 ietfFR(config-if)#frame-rela5r intf-te dee !封装帧中继
3、接口类型为 deeFR(config-if)#frame-rela3r ansi !概念帧中继本地接口治理类型FR(config-if)Scloclk rate 64000 !概念时钟速度FR(config-if)#fram route 20 interface serial 1 21!设定帧中继互换,指定两个同步 口之间的dlci互换FR(config-if)ram route 30 interface serial 3 31!设定帧中继互换,指定两个同步 口之间的dlci互换FR(config-if) #no sh !启用该接口FR(config-if) #endFR (config)#i
4、nt serial 1FR(config-if)#encapsulation frame-relay ietfFR(config-if)#frame-relay intf-type deeFR(config-if)#frame-relay lmi-ty ansiFR(config-if)#cl ock rate 64000FR(config-if)#frame-relair route 21 interface serial 0 20FR(config-if)#frame-relay route 23 interface serial 3 32FR(config-if)#no shFR(con
5、fig)#conf tFR(config)#int serial 3FR(config-if)#encapsulation frame-relay ietfFR(config-if) #frame-relajr intf-type deeFR(config-if)#frame-relay Imi-type ansiFR(config-if)#clock rate 64000FR(config-if)#frame-relay route 31 interface serial 0 30FR(config-if)#frame-relajr route 32 interface serial 1 2
6、3验证测试：FR#sh frame-relay routeInput IntfInput DlciOutput IntfOutputDlciStatusSerialO20Seriall21inactiveSerialO30Serial331inactiveSeriall21SerialO20inactiveSeriall23Serial332inactiveSerial331SerialO30inactiveSerial332Seriall23inactive第二步：帧中继Frame-Relay静态映射RISconf tRI(config)#int sORI (conf ig-if)#ip a
7、dd frame-relay ietf !封装帧中继并封装其格式为 ietfRI (conf ig-if) #no frame-relay inverse-arp !禁止帧中继特定的协议 dlci 利用反向 ARP !禁止动态学习地址和DLCI之间的映射RI (config-if)#frame-rela5r Imi-type ansi !概念帧中继本地接口治理类型，RI (conf ig-if)#frame-rela5r map ip 20 !成立帧中继静态地址映射RI (conf ig-if) #frame-relay map ip 30 !成立帧中继静态地址映射RI (config-if)
8、# no shRI (config-if) #endRed-Giant(config)#hostname R2R2(config)#int sOR2(config-if)#ip add frame-relay ietfR2 (conf ig-if) #no frame-relay inverse-arp !禁止动态学习地址和 DLCI 之间的映射R2 (config-if)#frame-rela5r Imi-type ansiR2(config-if)#frame-relay map ip 21R2(config-if)#frame-relay map ip 23R2(config-if)#n
9、o shR2(config-if)SendRed-Giant(config)#hostname R3R3(config)#int sOR3(config-if)# ip add encapsulation frame-relay ietfR3(config-if)# frame-relay lmi-ty ansiR3(config-if)# no frame-relay inverse-arp !禁止动态学习地址和 DLCI 之间的映射R3(config-if)#fram map ip 31R3(config-if)#fram map ip 32R3(config-if)#no sh验证测试：
10、R3#show frame - re lay mapSeriall (up)： ip dlci 31(OxlF, 0x4F0), static,IETF, status defined, activeSeriall (up)： ip dlci 32(0x20, 0x800), static,IETF, status defined, activeR2#sh frame-relay mapSerialO (up)： ip dlci 21(0x15, 0x450), static,IETF, status defined, activeSerialO (up)： ip dlci 23(0x17,0
11、x470), static,IETF, status defined, activeRl#sh frame-:relay mapSerialO (up)： ip dlci 20(0x14, 0x440), static,IETF, status defined, activeSerialO (up)： ip dlci 30(0xlE, Ox4EO), static,IETF, status defined, activeFR#sh frame-relay routeInput IntfInput DlciOutput IntfOutput DlciStatusSerialO20Seriall2
12、1activeSerialO30Serial331activeSeriall21SerialO20activeSeriall23Serial332activeSerial331SerialO30activeSerial332Seriall23active第三步：测试各点之间的连通性验证测试：RISping escape sequence to abort.Sending 5, 100-byte ICMP Echoes to timeout is 2 seconds: f i i nSuccess rate is 100 percent (5/5), round-trip min/avg/max
13、 = 56/56/60 msRISping 5, 100-byte ICMP Echoes to timeout is 2 seconds: f i i nSuccess rate is 100 percent (5/5), round-trip min/avg/max = 56/56/60 ms【注意事项】注意各个接口之间与帧中继互换机的匹配，比如本地接口治理类型；帧中继互换机是DCE端：在各个接口配置远程IP地址与本地DLCI号的映射：关闭动态IP地址和DLCI的映射，【参考配置】Rl#sh runCurrent configuration：i version (2)i hostname
14、R1iip subnet-zeroiinterface FastEthernetOno ip addressshutdowniinterface SerialOip address encapsulation frame-relay IETFframe-relay Imi-type ansino frame-relay inverse-arpframe-relay map ip 20frame-relay map ip 30iinterface Seriallno ip addressshutdowniIvoice-port 0i voice-port 1 voice-port 2 voice
15、-port 3 ip classless iline con 0line aux 0line vty 0 4login iendR2#sh runCurrent configuration： i version (2)ihostname R2”iip subnet-zero iinterface FastEthernetO no ip address shutdowniinterface FastEthernetl no ip address shutdowni interface FastEthernet2 interface FastEthernet2no ip addressshutdo
16、wni interface FastEthernet3no ip addressshutdowniinterface SerialOip address encapsulation frame-relay IETFframe-relay Imi-type ansino frame-relay inverse-arpframe-relay map ip 21frame-relay map ip 23i interface Seriallno ip addressshutdowniip classlessiline con 0line aux 0i endR3#sh runCurrent conf
17、iguration：i version (2)ip subnet-zero interface FastEthernetOno ip addressshutdowniinterface FastEthernetlno ip addressshutdowni interface FastEthernet2no ip addressshutdowninterface FastEthernet3no ip addressshutdowniinterface SerialOno ip addressshutdowni interface Seriallip address encapsulation frame-relay IETFframe-relay Imi-type ansino frame-relay inverse-arpframe-relay map ip 31frame-relay map ip 32ip classless line con 0line aux 0line vty 0 4 login end