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1、实验十四、路由器广域网Frame-Relay封装配置一、实验目的1.掌握广域网帧中继封装配置2.理解DLCI、LMI等概念3.理解封装匹配二、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-1751两台2.CR-V35MT一条3.CR-V35FC一条四、实验拓扑五、实验要求Router-ARouter-B接口IP地址接口IP地址S1/1DCE192.168.1.1S1/0DTE192.168.1.2六、实验步骤第一步Router
2、-A的配置Router>enable！进入特权模式Router#config！进入全局配置模式Router_config#hostnameRouter-A！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#encapsulationframe-relay！封装帧中继协议Router-A_config_s1/1#frame-relaylocal-dlci17！设置本地
3、DLCI号Router-A_config_s1/1#frame-relayintf-typedce！配置FR的DCERouter-A_config_s1/1#frame-relaymap192.168.1.2pvc17broadcast！配置DLCI与对端IP的映射Router-A_config_s1/0#physical-layerspeed64000！配置DCE时钟频率Router-A_config_s1/0#noshutdownRouter-A_config_s1/0#^Z！按ctrl+z进入特权模式第二步：查看配置Router-A#showinter
4、faces1/1！查看接口状态Serial1/1isup,lineprotocolisdownMode=SyncDCESpeed=64000DTR=UP,DSR=UP,RTS=UP,CTS=UP,DCD=UPInterfaceaddressis192.168.1.1/24MTU1500bytes,BW64kbit,DLY2000usecEncapsulationFrame-relay,loopbacknotset！查看封装协议Keepaliveset(10sec)FrameRelayDCE,LMItypeisDCISCO,LMIDLCI1023LMIDCEL
5、inkErrors5,ProtocolErrors0,Inactives0T39215,N3923,N3934RecvdOctets242,RecvdFrames11,RecvdDiscards0SentOctets280,SentFrames21,SentDiscards0RecvdErrors11,SentErrors0,RecvdUnknowns060secondinputrate20bits/sec,0packets/sec!60secondoutputrate19bits/sec,0packets/sec!746packetsinput,18234
6、bytes,6unused_rx,0nobuffer0inputerrors,0CRC,0frame,0overrun,0ignored,0abort1167packetsoutput,25752bytes,8unused_tx,0underrunserror:0clock,0gracePowerQUICCSCCspecificerrors:0recvallocbmblkfail0recvnobuffer0transmitterqueuefull0transmitterhwqueue_fullRouter-A#showframe-relay！查看帧中继状态信
7、息FrameRelay/IPstateSerial1/1DOWN=============================================================================PortDLCIStateremoteIPlocalIPType=============================================================================Serial1/117INACTIVE192.168.1.2M第三步：Router-B的配置Router>enable！进入特权
8、模式Router#config！进入全局配置模式Ro
