CISCO路由器日常维护及故障诊断.doc

 PAGE 5 实验 CISCO路由器日常维护和故障诊断 时间版本说明修改人2008年4月9日V1.0实验手册开发课程名称:计算机网络工程实验名称:路由器日常维护和故障诊断实验目的： 路由器日常维护和故障诊断预备知识：计算机基础知识实验环境：Cisco路由器 实验任务任务一：路由器日常维护和故障诊断实验步骤任务一：路由器日常维护和故障诊断 　　通常我们使用show interface命令来查看接口的信息，如show interface gig 1/0或者show int pos 2/0等来分别查看路由器上千兆以太接口和POS接口的端口信息。 　　查看以太网接口信息，在cisco上使用命令为：??show interfaces fastethernet [slot/port-adapter/port] 　　查看POS接口信息，在cisco上使用命令为：???show interfaces pos [slot/port-adapter/port] 　　1、下例给出了在cisco上查看第1槽位上第1个PA上的第1个快速以太网接口的接口的配置信息： telnet 219.142.17.42 10001 #进入远程路由器 Routeren #进入特权模式 Router# show interfaces fastethernet 1/0 #查看快速以太网F1/0 Fast Ethernet1/0 is up, line protocol is up Hardware is TSWITCH, address is 00e0.f7a4.5130 (bia 00e0.f7a4.5130) MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec, rely 255/255, load 1/255 Encapsulation ARPA, loopback not set, keepalive set (10 sec) Half-duplex, 100BaseTX ARP type: ARPA, ARP Timeout 04:00:00 Last input 00:05:30, output 00:00:00, output hang never Last clearing of show interface counters never Queueing strategy: fifo Output queue 0/40, 0 drops; input queue 0/75, 0 drops 5 minute input rate 0 bits/sec, 0 packets/sec 5 minute output rate 0 bits/sec, 0 packets/sec 312 packets input, 18370 bytes, 0 no buffer Received 216 broadcasts, 0 runts, 0 giants, 0 throttles 3 input errors, 0 CRC, 0 frame, 0 overrun, 3 ignored, 0 abort 0 input packets with dribble condition detected 15490 packets output, 1555780 bytes, 0 underruns 2 output errors, 0 collisions, 2 interface resets 0 babbles, 0 late collision, 0 deferred 0 lost carrier, 0 no carrier 2 output buffer failures, 0 output buffers swapped out 　　2、下例给出了在cisco上查看第2槽位上第1个PA上的第1个快速以太网接口的接口配置信息： Router# show interfaces pos 2/0 #查看快速以太网F2/0 POS2/0 is up, line protocol is up Hardware is cyBus Packet over Sonet Description: PRI-T1 net to zippy (4K) to Pac-Bell Internet address is 10.1.1.1/27 MTU 4470 bytes, BW 1000 Kbit, DLY 40000 usec, rely 255/255, load 1/255 Encapsulation HDLC, loopback not