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cisco路由器忘记密码怎么办(cisco2960忘记密码)

关闭路由器电源并重新开机,在路由器启动时,按【Ctrl+Break】键中断路由器的启动过程,进入rommon 模式。

清空路由器所有配置,重启

Router#erase startup-config

Erasing the nvram filesystem will remove all configuration files! Continue? [confirm]

[OK]

Erase of nvram: complete

%SYS-7-NV_BLOCK_INIT: Initialized the geometry of nvram

Router#reload

Proceed with reload? [confirm]

设置密码,并保存配置

Router>en

Router#conf t

Enter configuration commands, one per line. End with CNTL/Z.

Router(config)#enable password 123

Router(config)#exit

Router#

%SYS-5-CONFIG_I: Configured from console by console

Router#wr

Building configuration...

[OK]

密码恢复

关闭路由器电源并重新开机,在路由器启动时,按【Ctrl+Break】键中断路由器的启动过程,进入rommon 模式。

rommon 1 > confreg 0x2142

rommon 2 > boot
......

--- System Configuration Dialog ---

Continue with configuration dialog? [yes/no]: no

此时已可以直接进入特权模式,将NVRAM中的配置复制到RAM中

Router>

Router>en

Router#copy startup-config running-config

Destination filename [running-config]?

429 bytes copied in 0.416 secs (1031 bytes/sec)

%SYS-5-CONFIG_I: Configured from console by console

重新设置密码,保存配置,重启。

Router#conf t

Enter configuration commands, one per line. End with CNTL/Z.

Router(config)#enable password 123456

Router(config)#conf

Router(config)#config-register 0x2102

Router(config)#exit

%SYS-5-CONFIG_I: Configured from console by console

Router#wr

Building configuration...

[OK]

Router#reload

Proceed with reload? [confirm]

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