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1、【网络拓扑结构图】【实验步骤】1、配置设备接口模块各设备的模块配置及连接能力说明如下表设备名称配置模块型号连接能力说明RouterA路由器NM-4T4高速串行同步专线网络模块端口RouterB路由器NM-4T4高速串行同步专线网络模块端口2、连接设备设备连接说明源设备源接口介质类型目标接口目标设备RouterA路由器S0/0SerialS0/0RouterB路由器RouterB路由器S0/0SerialS0/0RouterA路由器3、配置设备内部基本参数3.1被验证方，路由器RouterA参数配置<配置命令>RouteA#conftE
2、nterconfigurationcommands,oneperline.EndwithCNTL/Z.RouteA(config)#ints0/0RouteA(config-if)#ipadd172.16.1.1255.255.255.0RouteA(config-if)#noshutRouteA(config-if)#*Mar100:03:26.939:%LINK-3-UPDOWN:InterfaceSerial0/0,changedstatetoup*Mar100:03:27.939:%LINEPROTO-5-UPDOWN:Lin
3、eprotocolonInterfaceSerial0/0,changedstatetoupRouteA(config-if)#clockrate64000RouteA(config-if)#exi<配置结果>RouteA#showints0/0Serial0/0isup,lineprotocolisupHardwareisM4TInternetaddressis172.16.1.1/24MTU1500bytes,BW1544Kbit,DLY20000usec,reliability255/255,txload1/255,rxload
4、1/255EncapsulationPPP,LCPOpenOpen:IPCP,CDPCP,crc16,loopbacknotsetKeepaliveset(10sec)Restart-Delayis0secsLastinput00:00:37,output00:00:05,outputhangneverLastclearingof"showinterface"counters00:07:29Inputqueue:0/75/0/0(size/max/drops/flushes);Totaloutputdrops:0Queueingstr
5、ategy:weightedfairOutputqueue:0/1000/64/0(size/maxtotal/threshold/drops)Conversations0/2/256(active/maxactive/maxtotal)ReservedConversations0/0(allocated/maxallocated)AvailableBandwidth1158kilobits/sec5minuteinputrate0bits/sec,0packets/sec5minuteoutputrate0bits/sec,0pac
6、kets/sec105packetsinput,4236bytes,0nobufferReceived0broadcasts,0runts,0giants,0throttles0inputerrors,0CRC,0frame,0overrun,0ignored,0abort115packetsoutput,4293bytes,0underruns3.2验证方，路由器RouterB参数配置<配置命令>RouteB#conftEnterconfigurationcommands,oneperline.EndwithCNTL/Z.Route
7、B(config)#ints0/0RouteB(config-if)#ipadd172.16.1.2255.255.255.0RouteB(config-if)#noshutRouteB(config-if)#*Mar100:04:32.439:%LINK-3-UPDOWN:InterfaceSerial0/0,changedstatetoup*Mar100:04:33.439:%LINEPROTO-5-UPDOWN:LineprotocolonInterfaceSerial0/0,changedstatetoupRouteB(con
8、fig-if)#exi<配置结果>RouteB#showints0/0Serial0/0isup,lineprotocolisupHardwareisM4TInternetaddressis172.16.1.2/24MT
