Disaster Recovery: How to Recover a Lost Password
Type Ctrl-C to exit Setup mode
Router>enable
Router#conf m OR copy start run (only!!!)
Router#show running OR write terminal
Router#conf t
Router(config)enable secret forgotten
Router(config)int e0/0…
Router(config-if)no shut
Router(config)config-register 0x2102
Router(config)Ctrl-Z or end
Router#copy run start OR write memory
Router#reload