c2950清除密码
拨掉电源按住交换机前面板的mode键不放，插上电源，等3－5秒后松开mode键。
The system has been interrupted prior to initializing the flash file system.
........
flash_init
boot
switch: flash_init
switch: del flash:config.text
Are you sure you want to delete \"flash:config.text\" (y/n)?y
switch: boot
........
Would you like to terminate autoinstall? [yes]: y
........
Would you like to enter the initial configuration dialog? [yes/no]: n
Continue with the configuration dialog? [yes/no] : N
Switch>
Switch> en
Cisco 2600清除密码.
加电重启时按下键盘的Ctrl+Break键
.......
rommon 1 > confreg 0x2142
You must reset or power cycle for new config to take effect
rommon 2 > reset
System Bootstrap, Version 11.3(2)XA4, RELEASE SOFTWARE (fc1)
.......
Would you like to enter the initial configuration dialog? [yes/no]: n
Press RETURN to get started!
Router>
Router>en
Router#
Router#conf t
Router(config)#enable secret cisco或者no enable secret
Router(config)#config-reg 0x2102
Router(config)#^Z
.......
Router#sh ver
.......
Configuration register is 0x2142 (will be 0x2102 at next reload)
Router# wr
Router# reload
en
erase start 恢复出厂设置
reload 重启
en
conf t
enable secert xxx 配enable 密码
ip http ser 开启web服务
inter eth x 配置端口
ip add x.x.x.x x.x.x.x 给端口配IP
no shu
好了，现在在浏览器里输入你配置的IP地址
用户名和密码都是enable 密码
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