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常用catalyst交换机密码恢复

2012年03月25日 综合 ⁄ 共 3877字 ⁄ 字号 暂无评论
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1.对于Catalyst 2900/3500XL系列来说:
  拔下交换机的电源线,然后按住交换机的Mode按钮,再重新插上交换机的电源线.直到端口Port 1x的LED熄灭之后释放Mode按钮.
  就这么简单,别告诉我你不知道Mode按钮在哪啊-_-#
  
  2.对于Catalyst 2940/2950L系列来说:
  拔下交换机的电源线,然后按住交换机的Mode按钮,再重新插上交换机的电源线.直到STAT的LED熄灭之后释放Mode按钮.
  
  3.对于Catalyst 2955系列来说:
  Catalyst 2955没有没有外部的Mode按钮,因此就不能使用之前的那种方法来进行密码恢复.在交换机启动时,对于Windows系列的PC,按下Ctrl+Break键;对于UNIX系列的工作站,按下Ctrl+C.如下:
  C2955 Boot Loader (C2955−HBOOT−M) Version 12.1(0.0.514), CISCO DEVELOPMENT TEST
  VERSION
  Compiled Fri 13−Dec−02 17:38 by madison
  WS−C2955T−12 starting...
  Base ethernet MAC Address: 00:0b:be:b6:ee:00
  Xmodem file system is available.
  
  Initializing Flash...
  flashfs[0]: 19 files, 2 directories
  flashfs[0]: 0 orphaned files, 0 orphaned directories
  flashfs[0]: Total bytes: 7741440
  flashfs[0]: Bytes used: 4510720
  flashfs[0]: Bytes available: 3230720
  flashfs[0]: flashfs fsck took 7 seconds.
  ...done initializing flash.
  Boot Sector Filesystem (bs:) installed, fsid: 3
  Parameter Block Filesystem (pb:) installed, fsid: 4
  /---接下来交换机会在15秒内自动启动,等出现该信息之后,按下Ctrl+Break键或Ctrl+C键----/
  
  The system has been interrupted prior to initializing the flash file system to finish
  loading the operating system software:
  flash_init
  load_helper
  bootswitch:
  
  接下来输入flash_init命令:
  switch:flash_init
  Initializing Flash...
  flashfs[0]: 143 files, 4 directories
  flashfs[0]: 0 orphaned files, 0 orphaned directories
  flashfs[0]: Total bytes: 3612672
  flashfs[0]: Bytes used: 2729472
  flashfs[0]: Bytes available: 883200
  flashfs[0]: flashfs fsck took 86 seconds
  ....done Initializing Flash.
  Boot Sector Filesystem (bs:) installed, fsid: 3
  Parameter Block Filesystem (pb:) installed, fsid: 4
  switch:
  
  接着输入load_helper命令:
  switch:load_helper
  switch:
  
  再输入dir flash:命令显示交换机的文件系统:
  switch:dir flash:
  Directory of flash:/
  2 −rwx 1803357 c3500xl−c3h2s−mz.120−5.WC7.bin
  4 −rwx 1131 config.text
  5 −rwx 109 info
  6 −rwx 389 env_vars
  7 drwx 640 html
  18 −rwx 109 info.ver
  403968 bytes available (3208704 bytes used)
  switch:
  
  把配置文件重命名:
  switch:rename flash:config.text flash:config.old
  switch:
  
  输入boot命令启动交换机:
  switch:boot
  Loading "flash:c3500xl−c3h2s−mz.120−5.WC7.bin"...###############################
  ################################################################################
  ######################################################################
  File "flash:c3500xl−c3h2s−mz.120−5.WC7.bin" uncompressed and installed, entry po
  int: 0x3000
  executing...
  (略)
  
  不进入setup模式:
  −−− System Configuration Dialog −−−
  At any point you may enter a question mark '?' for help.
  Use ctrl−c to abort configuration dialog at any prompt.
  Default settings are in square brackets '[]'.
  Continue with configuration dialog? [yes/no]: n
  
  进入特权模式,恢复原始的配置文件:
  Switch#rename flash:config.old flash:config.text
  Destination filename [config.text]
  Switch#
  
  把配置文件保存在内存里:
  Switch#copy flash:config.text system:running−config
  Destination filename [running−config]?
  1131 bytes copied in 0.760 secs
  Switch#
  
  进入全局配置模式,取消密码设置:
  Switch(config)#no enable secret
  
  保存配置:
  Switch#write memory
  Building configuration...
  [OK]
  Switch#
  
  搞定了@_@
  
  4.对于Catalyst 3550/3750系列来说:
  1.通过带有支持Xmodem协议的超级终端程序的PC连接到交换机的console口,把波特率设置为9600.
  2.拔掉交换机的电源.
  3.按下交换机上的Mode按钮,与此同时,重新插上交换机的电源线.当交换机端口1X上的LED熄灭后可以松开Mode按钮1到2秒.之后将显示一些指示信息:
  The system has been interrupted prior to initializing the flash file system. The following
  commands will initialize the flash file system, and finish loading the operating system
  software:
  flash_init
  load_helper
  boot
  switch#
  4.初始化flash文件系统:
  switch#flash_init
  5.加载帮助文件:
  switch#load_helper
  6.显示闪存里的内容:
  switch#dir flash:
  7.重命名配置文件:
  switch#rename flash:config.text flash:config.text.old
  8.启动系统,并且如果提示进入setup模式,输入N:
  switch#boot
  Continue with the configuration dialog? [yes/no]: N
  9.进入特权模式,把配置文件名恢复为原始文件名:
  Switch#rename flash:config.text.old flash:config.text
  10.把配置文件写进内存:
  Switch#copy flash:config.text system:running-config
  Source filename [config.text]?
  Destination filename [running-config]?
  11.进入全局配置模式更改密码:
  Switch(config)#enable secret {password}
  12.退出,并保存到startup-config文件里:
  Switch(config)#copy running-config startup-config

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