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Cisco路由器用xmodem快速安装IOS           
Cisco路由器用xmodem快速安装IOS
作者:陈鹏 文章来源:eNet 点击数: 更新时间:2009-9-11 1:40:14
 




 

先打开超级终端,进入rommon 模式(Ctrl+Break组合键),键入confreg, 如下:

  rommon 1 > confreg 回车

  Configuration Summary

  enabled are:

  load rom after netboot fails

  console baud: 9600

  boot: image specified by the boot system commands

  or default to: cisco2-C2600

  do you wish to change the configuration? y/n [n]: y (选择 yes)

  enable "diagnostic mode"? y/n [n]: n (选择 no)

  enable "use net in IP bcast address"? y/n [n]: n (选择 no)

  disable "load rom after netboot fails"? y/n [n]: n (选择 no)

  enable "use all zero broadcast"? y/n [n]: n (选择 no)

  enable "break/abort has effect"? y/n [n]: n (选择 no)

  enable "ignore system config info"? y/n [n]: n (选择 no)

  change console baud rate? y/n [n]: y (选择 yes)

  enter rate: 0 = 9600, 1 = 4800, 2 = 1200, 3 = 2400

  4 = 19200, 5 = 38400, 6 = 57600, 7 = 115200 [0]: 7 (选择 7,用最大的115200速率的xmodem传输)

  change the boot characteristics? y/n [n]: n (选择 no)

  Configuration Summary

  enabled are:

  load rom after netboot fails

  console baud: 115200

  boot: image specified by the boot system commands

  or default to: cisco2-C2600

  do you wish to change the configuration? y/n [n]: n (选择 no)

  You must reset or power cycle for new config to take effect

  rommon 2 > reset 回车

  注意:在此时键入 reset键之前,开始定义串口速度(我的电脑---端口属性----串口速度调为115200),然后再修改超级终端里设置速率为115200,记住,一定这么做!否则出现乱码!然后关闭这个超级终端,重新建立一个超级终端连接,(期间系统重新启动)启动后,出现

  rommon 1> 提示符

  然后,输入

  rommon 1> xmodem -r

  Do not start the sending program yet...

  Invoke this application only for disaster recovery.

  Do you wish to continue? y/n [n]: y (选择 yes)

  Ready to receive file ...

  此时,在超级终端的菜单上的“传送”---“发送文件”----选择IOS镜像文件所在地以及选择使用“xmodem”协议,点击“发送”即可

  然后等待10-20分钟左右就把3-6M的IOS灌进去了!

  (修改回计算机串口与超级终端、路由器confreg下的xmodem等9600的传输速率)

  (videre注:实际用的时候,我发现这个命令总是改不成功,后来发现在line con 0下面有了一个speed 115200,所以即使改register成功,启动以后router又执行speed 115200,还是不行,所以如果有这个问题,记得把这个语句no掉)

  Router>en 进入新IOS的特权模式 

  Router#reload 重启系统

  Proceed with reload? [confirm] 回车

  00:01:04: %SYS-5-RELOAD: Reload requested

  System Bootstrap, Version 11.3(2)XA4, RELEASE SOFTWARE (fc1)

  Copyright (c) 1999 by cisco Systems, Inc.

  TAC:Home:SW:IOS:Specials for info

  PC = 0xfff0a530, Vector = 0x500, SP = 0x680127b0

  C2600 platform with 24576 Kbytes of main memory

  PC = 0xfff0a530, Vector = 0x500, SP = 0x80004684

  monitor: command "boot" aborted due to user interrupt

  rommon 1 > confreg ( 输入“confreg”命令)

  Configuration Summary

  enabled are:

  load rom after netboot fails

  console baud: 115200

  boot: image specified by the boot system commands

  or default to: cisco2-C2600

  do you wish to change the configuration? y/n [n]: y (选择 yes)

  enable "diagnostic mode"? y/n [n]: n (选择 no)

  enable "use net in IP bcast address"? y/n [n]: n (选择 no)

  disable "load rom after netboot fails"? y/n [n]: n (选择 no)

  enable "use all zero broadcast"? y/n [n]: n (选择 no)

  enable "break/abort has effect"? y/n [n]: n (选择 no)

  enable "ignore system config info"? y/n [n]: n (选择 no)

  change console baud rate? y/n [n]: y (选择 yes)

  enter rate: 0 = 9600, 1 = 4800, 2 = 1200, 3 = 2400

  4 = 19200, 5 = 38400, 6 = 57600, 7 = 115200 [7]: 0 (选择 0,改回用标准速率速率9600的xmodem传输)

  change the boot characteristics? y/n [n]: n (选择 no)

  Configuration Summary

  enabled are:

  load rom after netboot fails

  console baud: 9600

  boot: image specified by the boot system commands

  or default to: cisco2-C2600

  do you wish to change the configuration? y/n [n]: n

  You must reset or power cycle for new config to take effect

  rommon 2 >

  此时手工改回计算机串口与超级终端2者传输速率为9600

  然后敲入

  rommon 2 >reset

  ( 最好关电源)

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