Cisco Systems Cisco 12816 Manuale Utente

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Cisco 12016, Cisco 12416, and Cisco 12816 Router Installation and Configuration Guide
OL-11495-01
Chapter 4      System Startup and Basic Configuration
Recovering a Lost Password
Recovering a Lost Password
Use the following procedure to recover a lost password.
Note
This procedure does not work for password recovery if the enable password is 
encrypted—you must reconfigure the system before attempting a reboot (see the 
Step 1
Enter the show version command at the privileged EXEC mode prompt to display 
the existing software configuration register value. 
Milo# show version
.
.
.
Configuration register is 0x141
Write this value on paper for use in Step 10.
Step 2
Enter the reload command to boot the system and press the Break key within 
5 seconds to display the ROM monitor prompt.
Milo# reload
rommon 1> 
If the Break function is disabled, power off the power supplies, wait for at least 
5 seconds, and then restore power. Press the Break key within 5 seconds of 
powering on the router.
Step 3
Enter the config-register command and answer yes to change the configuration 
settings and then to ignore the system configuration information.
rommon 1> config-register
Configuration Summary
enabled are:
console baud: 9600
boot: image specified by the boot system command
or default to: cisco2-prp
do you wish to change the configuration? y/n [n]: y
enable “diagnostic mode”? y/n [n]: