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1、实验十六、路由器广域网X.25封装配置一、实验目的1.掌握广域网X.25封装配置2.理解X.121地址概念3.理解影射的关系二、应用环境1.企业环境中异地的互连通常要经过第三方的网络，比如网通、电信等等，所以与局域网的配置不同2.广域网通常需要付费、带宽比较有限、可靠性相比局域网要低三、实验设备1.DCR-17512.CR-V35MT3.CR-V35FC四、实验拓扑五、实验要求Router-A接口两台一条一条IP地址Router-B接口IP地址S1/1DCE192.168.1.1六、实验步骤第一步Router-A的配置Router
2、>enableRouter#configRouter_config#hostnameRouter-AS1/0DTE192.168.1.2！进入特权模式！进入全局配置模式！修改机器名Router-A_config#interfaces1/1！进入接口模式Router-A_config_s1/0#ipaddress192.168.1.1255.255.255.0！配置IP地址Router-A_config_s1/1#encapsulationx25Router-A_config_s1/1#x25interfacedceRouter-A_
3、config_s1/1#x25address！封装x.25协议！配置x.25的DCE！配置X.25地址Router-A_config_s1/1#x25map192.168.1.2svcbroadcast！配置X.25地址与对端IP的映射Router-A_config_s1/0#physical-layerspeed64000Router-A_config_s1/0#noshutdownRouter-A_config_s1/0#^Z第二步：查看配置Router-A#showinterfaces1/1Serial1/1isup,linep
4、rotocolisdownMode=SyncDCESpeed=64000DTR=UP,DSR=UP,RTS=UP,CTS=UP,DCD=UPInterfaceaddressis192.168.1.1/24MTU1500bytes,BW64kbit,DLY2000usecEncapsulationX25,loopbacknotsetLAPBDCE,module8,k7,N11500,N216,T13stateAWAIT_EST,VS0,VR0,RemoteVR0IFRAMEs0/0,RRs0/0,RNRs0/0,REJs0/0FRMRs0
5、/0,SABMs0/34,SABMEs0/0UAs0/0,DMs0/0,DISCs0/0！配置DCE时钟频率！按ctrl+z进入特权模式！查看接口状态X25DCE,address,modulo8,I/Owindowsize22,packetsize128128VirtualCircuits:One-way0,Two-way16,PVC0,SVC16Timers:T1060s,T11180s,T1260s,T1360s,idleVCtimeout100sRESTARTs0/0,RESTARTCONFIRMs0/0,DIAGs0/0CAL
6、Ls0/0,CALLCONFIRMs0/0,CLEARs0/0,CLEARCONFIRMs0/0DATAs0/0,RRs0/0,RNRs0/0RESETs0/0,RESETCONFIRMs0/0,INTERRUPTs0/0,INTERRUPTCONFIRMs0/060secondinputrate20bits/sec,0packets/sec!60secondoutputrate10bits/sec,0packets/sec!940packetsinput,22890bytes,4unused_rx,0nobuffer0inputerr
7、ors,0CRC,0frame,0overrun,0ignored,0abort1201packetsoutput,25888bytes,8unused_tx,0underrunserror:0clock,0gracePowerQUICCSCCspecificerrors:0recvallocbmblkfail0recvnobuffer0transmitterqueuefull0transmitterhwqueue_fullRouter-A#shx25vc！查看X.25状态信息X.25/IPstateSerial1/1DOWN====
8、===========================================================================No.PortVCI/OStateX.121Addres
