System information

Troubleshooting Security Implementations 24-491
Password-Recovery Procedure: Platforms Running Earlier Software Releases
Figure 24-2 Password Recovery: Platforms Running Earlier Software Releases
Note To complete this procedure, you must have a terminal or a personal computer (running
terminal emulation software) connected to the console port of the router.
Following is the password-recovery procedure for Cisco platforms running earlier software releases:
Step 1 Power down the router.
Step 2 Change the hardware configuration register by moving the jumper from bit position 0 or
1 to bit position 15.
Note the original position of the jumper.
Note To move the hardware configuration register jumper, you might need to remove the processor
card from the router chassis. This is the case with the RP card in Cisco 7000 series routers. Consult
your hardware documentation for complete instructions on removing and inserting the processor
card. If you had to remove the processor card, reinsert it before continuing.
Step 3 Power up the router. The ROM monitor (>) prompt appears.
Step 4 Enter b (bootstrap) at the (>) prompt.
Step 5 Press the Return key until the Test-System> prompt appears.
Lost
password
Cisco CGS, MGS, AGS, AGS+
running Software Release
9.1(6) or earlier; Cisco 7000
series running Software Release
9.17(3) or earlier from ROM
Power down
the router
If necessary
remove the
processor
card from the
router
Move the
hardware
configuration
register jumper
from bit position
0 or 1 to bit
position 15
If necessary
reinsert the
processor
card into the
router chassis
Power up the
router
Enter b
at the ROM
monitor (>)
prompt
Press return
until the
Test-System >
prompt appears
Enter the
enable
command
Locate and
record the
forgotten login
and/or enable
password(s)
Do NOT make
configuration
changes or
enter the
write memory
command at
this point
Enter the
configure
memory
command
Enter the
configure
terminal
command
Configure your
new login
and/or enable
password(s)
Power up
the router
Encrypted
Password?
Yes
No
Exit
configuration
mode by entering
Z
Enter the
write
memory
command
Power down
the router
Return the
configuration
register jumper to
its original position
(remove the
processor card if
necessary)
Password
recovery
complete
Enter the
show
configuration
command