Cisco 2621 路由器密码恢复实验

清空路由器所有配置，重启Router#erase startup-configErasing the nvram filesystem will remove all configuration files! Continue? [confirm][OK]Erase of nvram: complete%SYS-7-NV_BLOCK_INIT: Initialized the geometry of nvramRouter#reloadProceed with reload? [confirm]设置密码，并保存配置RouterenRouter#conf tEnter configuration commands, one per line. End with CNTL/Z.Router(config)#enable password 123Router(config)#exitRouter#%SYS-5-CONFIG_I: Configured from console by consoleRouter#wrBuilding 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 0x2142rommon 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RouterRouterenRouter#copy startup-config running-configDestination 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 tEnter configuration commands, one per line. End with CNTL/Z.Router(config)#enable password 123456Router(config)#confRouter(config)#config-register 0x2102Router(config)#exit%SYS-5-CONFIG_I: Configured from console by consoleRouter#wrBuilding configuration...[OK]Router#reloadProceed with reload? [confirm]