Recovering A Lost Password - Cisco Gigabit Switch Router 12008 Installation And Configuration Manual

bit 13 causes the system to continue attempting to load a boot file from the network TFTP
server indefinitely. By default, bit 13 in the software configuration register is set to 0 at the
factory prior to router shipment.
Table 4-3 summarizes the functions of all of the bits in the software configuration register.

Recovering a Lost Password

This section tells you how to recover a lost password. The following is a general outline of
the password recovery process:
Issue the show version command to determine the current contents of the software
1
configuration register.
2 Break to the ROM monitor prompt (
3 Change the software configuration register setting to 0x0040. This setting causes the
system to ignore the contents of NVRAM, enabling you to see your password.
Enter the privileged EXEC mode.
4
Enter the show startup-config command to display the enable password.
5
Change the software configuration register value back to its original setting.
6
To recover a lost password, perform the following steps.
Note
password recovery and you will have to reconfigure the system before attempting a reboot.
To reconfigure the system, use the displayed configuration, as revealed by issuing the show
startup-config command in the privileged EXEC mode (see Step 11).
Step 1
Step 2
If the enable password is encrypted, the following procedure will not work for
Attach an ASCII terminal to the RP console port.
Configure the terminal to operate at 9600 baud, 8 data bits, no parity, and 2 stop
bits (or to whatever settings the console port is currently set).
Observing System Startup and Performing a Basic Configuration 4-43
Performing Other Configuration Tasks
).
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