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1、CISCO路由器广域网协议设置HDLCHDLCHDLC是CISCO路由器使用的缺省协议，一台新路由器在未指定封装协议时默认使用HDLC封装。1.有关命令端口设置任务命令设置HDLC封装encapsulationhdlc设置DCE端线路速度clockratespeed复位一个硬件接口clearinterfaceserialunit显示接口状态showinterfacesserial[unit]'注•以卜•给出一个显示Cisco同步串口状态的例了.Router#showinterfaceserial0Serial0isup,lineprotocolisupHardwareisMCISe
2、rialInternetaddressis150.136.190.203,subnetmaskis255.255.255.0MTU1500bytes,BW1544Kbit,DLY20000usee,rely255/255,load1/255EncapsulationHDLC,loopbacknotset,keepaliveset(10sec)Lastinput0:00:07,output0:00:00,outputhangneverOutputqueue0/40,0drops;inputqueue0/75,0dropsFiveminuteinputrate0bits/sec,0pa
3、ckets/secFiveminuteoutputrate0bits/sec,0packets/sec16263packetsinput,1347238bytes,0nobufferReceived13983broadcasts,0runts,0giants2inputerrors,0CRC,0frame,0overrun,0ignored,2abort22146packetsoutput,2383680bytes,0underruns0outputerrors,0collisions,2interfaceresets,0restarts1carriertransitions2.举
4、例设置如F：Routerl:interfaceSerialOipaddress192.200.10.1255.255.255.0clockrate1000000Router2:interfaceSerialOipaddress192.200.10.2255.255.255.03.举例使用E1线路实现多个64K专线连接.相关命令：任务命令进入controller配置模式controller{t1
5、e1}number选择帧类型framing{crc4
6、no-crc4}选择line-code类型linecode{ami
7、b8zs
8、hdb3}建立逻辑通道组与时隙的映射channel-gro
9、up门M/?e/*timeslotsranged显示controllers接口状态showcontrollerse1[slot/port^-注：仁当链路为T1时,channel・group编号为0-23,Timeslot范围1-24;当链路为E1时，channel-group编号为0-30,Timeslot范围1-31.2.使用showcontrollerse1观察controller状态，以下为帧类型为crc4时controllers正常的状态.Router#showcontrollerse1e10/0isup.AppliquetypeisChannelizedE1-unbala
10、ncedFramingisCRC4,LineCodeisHDB3Noalarmsdetected.Dataincurrentinterval(725secondselapsed):0LineCodeViolations,0PathCodeViolations0SlipSecs,0FrLossSecs,0LineErrSecs,0DegradedMins0ErroredSecs,0BurstyErrSecs,0SeverelyErrSecs,0UnavailSecsTotalData(last24hours)0LineCodeViolations,0PathCodeViolation
11、s,0SlipSecs,0FrLossSecs,0LineErrSecs,0DegradedMins,0ErroredSecs,0BurstyErrSecs,0SeverelyErrSecs,0UnavailSecs以下例子为E1连接3条64K专线，帧类型为N0・CRC4,非平衡链路，路出器具体设置如下：shanxi#writBuildingconfiguration...Currentconfiguration:i■version11.2noserviceudp-s
