How to Break or recover the Cisco router password
Please follow the instruction to recover router password.
Turn the power switch off and back on to recycle the power.Â
Press theÂ BreakÂ key or key sequence to put the router intoÂ ROMÂ Monitor mode. The break key varies by computer or terminal software. The sequence might beÂ CTRL-D, CTRL-BreakÂ or another combination.Â
At theÂ > prompt, type 0 to record the current value of the configuration register normallyÂ 0×2102, or 0×102.
Type o/rÂ 0×2142Â to tell the router to boot from flash without loading the configuration in NVRAM at the next reload.Â
TypeÂ iÂ to have the router reboot. The router ignores the configuration inÂ NVRAM.
The router runs the setup dialog, TypeÂ noÂ or pressÂ Ctrl-CÂ to skip the initial setupÂ Dialog.Â
TypeÂ enableÂ ate the Router> prompt to go to privileged exec mode.
Copy the startup configuration to the running configuration by using theÂ configure memoryÂ orÂ copy startup-config running-configÂ commands. Do not type configure terminal. If you use the configure terminal command, you overwrite the configuration stored in NVRAM.
View the configuration by typingÂ write terminalÂ orÂ show running-config. View the configured line, vty and enable passwords. Any encrypted passwords need to be changed.Â
Enter the configuration mode by typingÂ configure terminal. Change the line of enable passwords as necessary.Â
All interfaces are in a shutdown state. Issue the no shutdown command on every interface that is to be used.
TypeÂ config-register 0×2102Â to return the router to normal operation at the next reloads.
Exit configuration mode by pressingÂ Ctrl-Z
Save your changes by typingÂ write memoryÂ orÂ copy running-config startup-config.
Reload the routerÂ and verify the passwords.
Configuration registerÂ = 0×2102Â at last boot
Bit#Â Â Â Configuration register option settings:
15Â Â Â Â Â Diagnostic mode disabled.Â