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Password Reset

Created by dave. Last edited by dave, 5 years and 140 days ago. Viewed 1,320 times. #1
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Bypass cisco system configuration

Plug in your serial console,
reboot the ASA
press 'ESC' when its booting

# Now get into configuration management rommon #0> confreg # Record this next line we'll need it later. Current Configuration Register: 0x00000001 Configuration Summary: boot default image from Flash

Do you wish to change this configuration? y/n [n]: Y enable boot to ROMMON prompt? y/n [n]: enable TFTP netboot? y/n [n]: enable Flash boot? y/n [n]: select specific Flash image index? y/n [n]: disable system configuration? y/n [n]: y go to ROMMON prompt if netboot fails? y/n [n]: enable passing NVRAM file specs in auto-boot mode? y/n [n]: disable display of BREAK or ESC key prompt during auto-boot? y/n [n]:

Current Configuration Register: 0x00000040 Configuration Summary: boot ROMMON ignore system configuration Update Config Register (0x40) in NVRAM… #now lets load the clean settings rommon #2> boot hostname# copy startup-config running-config hostname# configure terminal hostname(config)# password password hostname(config)# enable password password hostname(config)# username name password password #Remember that line I asked you to record :) hostname(config)# config-register 0x00000001 hostname(config)# copy running-config startup-config

#Optional: Reset to factory settings

config term config factory-default #hit spacebar when the ‘more’ thing happens. (Optional) reload save-config noconfirm

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