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1、第二章广域网协议设置一、HDLCHDLC是CISCO路山器使用的缺省协议，一台新路山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cncapsulationhdlc设置DOE端线路速度clockratespeed复位一个硬件接口clearinterfaceserialunit显示接口状态showinterfacesserial[unit]注：1.以下给岀一个显示Cisco同步串口状态的例子.Router#showinterfaceserial0Serial
2、0isup,lineprotocolisupHardwareisMCISerialInternetaddressis150.136.190.203,subnetmaskis255.255.255.0MTU1500bytes,BW1544Kbit,DLY20000usee,rely255/255,load1/255EncapsulationHDLC,loopbacknotset,keepaliveset(10sec)I>astinput0:00:07,output0:00:00,outputhan
3、gneverOutputqueue0/40，0drops;inputqueue0/75,0dropsFiveminuteinputrate0bits/sec,0packets/secFiveminuteoutputrate0bits/sec,0packets/sec16263packetsinput,1347238bytes,0nobufferReceived13983broadcasts,0runts,0giants2inputerrors,0CRC,0frame,0overrun,0igno
4、red,2abort22146packetsoutput,2383680bytes,0underruns0outputerrors,0collisions,2interfaceresets,0restarts1carriertransitions2.举例1m.2cn.1a2■WSOCDCE)(DTE)S0wvRoUterlRjouta?设置如下:Routerl:interfaceSerialOipaddress192.200.10.1255.255.255.0clockrate1000000Ro
5、uter2:interfaceSerialOipaddress192.200.10.2255.255.255.01.举例使用El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{tlel}number选择帧类型framing{crc4no~crc4}选择line-code类型linecode{ami
6、b8zs
7、hdb3}建立逻辑通道组打时隙的映射channel-group刀umbertimeslotsrange显示controllers接口状态s
8、howcontrollersel[slot/port]2注：1.当链路为T1时,channel-group编号为0-23,Timeslot范围1-24;当链路为El时，channel-group编号为0~30,Timeslot范围1-31.2.使用showcontrollersel观察controller状态，以卜为帧类型为crc4时controllers正常的状态.Router#showcontrollerselel0/0isup.AppliquetypeisChannelizedEl一unb
9、alancedFramingisCRC4,LineCodeisHDB3Noalarmsdetected.Dataincurrentinterval(725secondselapsed):0LineCodeViolations,0PathCodeViolations0SlipSecs,0FtLossSecs,0LineErrSecs,0DegradedMins0ErroredSecs,0BurstyErrSecs,0SeverelyErrSecs,0UnavailSecsTotalData(las
10、t24hours)0LineCodeViolations,0PathCodeViolations,0SlipSecs,0FrLossSecs,0LineErrSecs,0DegradedMins,0ErroredSecs,0BurstyErrSecs,0SeverelyErrSecs,0UnavailSecs以下例子为El连接3条64K专线，帧类型为NO-CRC4,非平衡链路，路山器具体设置如下:shanxi#writBuildingconfiguration・・・Currentconfigur
