What to do when the router password was forgotten?
- use default password cisco to reset
- access router physically
- use ssl/vpn
- Type confreg 0x2142 at the rommon 1
Explanation: To reset the password we can type “confreg 0x2142” under rommon mode to set the configuration register to 2142 in hexadecimal (the prefix 0x means hexadecimal (base 16)). With this setting when that router reboots, it bypasses the startup-config.
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