cisco router Password Recovery troubleshooting Procedure

Following Procedure may be helpful to recover password in cisco router troubleshooting :

•   If you don't have access to the router (because of a lost login or tacacs password), you can safely        consider that your configuration register is set to 0x2102

•  Press Break on the terminal keyboard within 60 seconds of the power-up to put the router into           ROMMON

•  Type confreg 0x2142 at the rommon 1> prompt to boot from Flash without loading the                configuration

    rommon 1 > confreg 0x2142

•          Type reset at the rommon 2> prompt. rommon 2 > reset

•          Type enable at the Router> prompt. Router>enable

Important: Type configure memory or copy startup-config running-config to copy the nonvolatile RAM (NVRAM) into memory

                Router#copy startup-config running-config

Type configure terminal and make the changes Router#configure terminal

• Type enable secret <password> to change the enable secret password Router(config)#enable secret Connect
• Issue the no shutdown command on every interface that is used. If you issue a show ip interface brief command,

                Router#show ip interface brief

• Every interface that you want to use should be "up up”
• Router# write memory
• Verify the registry value and get it changed with Configuration register is 0x2102
• Type config-register 0x2102 Router# configure terminal Router(config)#config-register 0x2102
•  Router#show version
•  Cisco Internetwork Operating System Software IOS (tm) C1800 Software
•  Configuration register is 0x2142 (will be 0x2102 at next reload)

Configuration register is 0x2142 (will be 0x2102 at next reload)