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将一台PC用超级终端连通过CONSOLE连至路由器
然后拔掉电源
按住mode键不放,插上电源等上三到五秒后松开
你会看到
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
输入flash init
输入load_helper
输入dir flash:
注意,不要少了flash后面的冒号,屏幕出现如下提示。
Directory of flash:
2 -rwx 843947 Mar 01 1993 00:02:18 C2900XL-c3h2s-mz-12.1-WC5.bin
4 drwx 3776 Mar 01 1993 01:23:24 html
66 -rwx 130 Jan 01 1970 00:01:19 env_vars
68 -rwx 1296 Mar 01 1993 06:55:51 config.text
1728000 bytes total (456704 bytes free)
输入rename flash:config.text flash:config.old
输入boot引导系统。
当出现如下提示时,输入N:
Continue with the configuration dialog? [yes/no] : N
用en进入enable状态,并将文件config.old改回config.text,命令如下:
rename flash:config.old flash:config.text
将原配置装入内存,命令如下:
2900# copy flash:config.text system:running-config
修改密码:
2900xl#conf t
2900xl(config)#no enable secret
2900xl(config)#enable secret 要改的密码
2900xl(config)#exit
telnet到交换机上,验证密码是否修改成功
将配置写入nvram
2900xl#wr mem
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