转：cisco 2950交换机密码恢复

cisco 2950交换机密码恢复

2011-03-01 13:55

cisco 2950交换机密码恢复 收藏 1） 按下MODE键后给2950加电。 2） 在出现的菜单中选择第一项 system software:       flash_init     load_helper     boot   switch:flash_init 3） 重命名flash:config.text文件。 switch: ren flash:config.text flash:config.old switch: dir flash: Directory of flash:/   2    -rwx 2664051   <date>               c2950-i6q4l2-mz.121-11.EA1.bin 3    -rwx 269       <date>               env_vars 4    -rwx 1531      <date>               config.old 6    -rwx 556       <date>               vlan.dat 7    drwx 704       <date>               html 19   -rwx 109       <date>               info 20   -rwx 109       <date>               info.ver 21   -rwx 5         <date>               private-config.text   3778560 bytes available (3962880 bytes used) 4） 重启交换机 switch: boot 5） 当出现问你是否进行配置时，选择NO（因为它找不到配置文件config.text文件了） Would you like to enter the initial configuration dialog? [yes/no]:no 6） 从用户模式登录特权模式，无需密码。 Switch>en Switch# 7） 恢复刚才重命令的配置文件名. Switch#ren flash:config.old flash:config.text Destination filename [config.text]?直接回车 8） 用老的配置文件替换当前的配置文件。 Switch#copy flash:config.text system:running-config Destination filename [running-config]?直接回车 % Login disabled on line 1, until 'password' is set % Login disabled on line 2, until 'password' is set % Login disabled on line 3, until 'password' is set % Login disabled on line 4, until 'password' is set % Login disabled on line 5, until 'password' is set % Login disabled on line 6, until 'password' is set % Login disabled on line 7, until 'password' is set % Login disabled on line 8, until 'password' is set % Login disabled on line 9, until 'password' is set % Login disabled on line 10, until 'password' is set % Login disabled on line 11, until 'password' is set % Login disabled on line 12, until 'password' is set % Login disabled on line 13, until 'password' is set % Login disabled on line 14, until 'password' is set % Login disabled on line 15, until 'password' is set % Login disabled on line 16, until 'password' is set 1531 bytes copied in 2.364 secs (765 bytes/sec) 9） 修改使用密码。 Switch#conf t Enter configuration commands, one per line. End with CNTL/Z. Switch(config)#en secret adm0509 Switch(config)# 10）              重启交换机，密码已被改成adm0509. Switch#reload Proceed with reload? [confirm]