Cisco router password recovery
2) Type confreg 0x2142 at the rommon 1> prompt in order to boot from Flash.
This step bypasses the startup configuration where the passwords are stored.
3) Type reset at the rommon 2> prompt.
The router reboots, but ignores the saved configuration.
4) Type no after each setup question, or press Ctrl-C in order to skip the initial setup procedure.
5) Type enable at the Router> prompt.
You are in enable mode and should see the Router# prompt.
6) Type configure memory or copy startup-config running-config in order to copy the nonvolatile RAM (NVRAM) into memory.
7) Type show running-config.
The passwords (enable password, enable secret, vty, and console passwords) are in either an encrypted or encrypted format. You can reuse ir change.
8) Type configure terminal.
The hostname (config) # prompt appears.
9) Type enable secret in order to change the enable secret password. For example:
hostname (config)#enable secret cisco
10) Type config-register. Where configuration_register_setting is either the value you recorded in step 2 or 0x2102. For example:
hostname(config)#config-register 0x2102
11) Press Ctrl-z or end in order to leave the configuration mode.
The hostname# prompt appears.
12) Type write memory or copy running-config startup-config in order to commit the change
That's it
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