System information

Recovering a Lost Password
Book Title
24-486
Lost
password
Power cycle
the router
Issue the
break key
sequence
within 60
seconds
Enter
e/s 2000002
at the ROM
monitor(>) prompt
(does not apply
to Cisco 7000)
Record the
output value.
(For example,
2102). This is
the software
configuration
register.
Enter o/r 0x42
at the (>) prompt
(or o/r 0x41 for
Cisco 2500)
Enter i
at the (>)
prompt
Answer no to
all the Setup
questions
Enter the
enable
command at the
Router>
prompt
Encrypted
Password?
Enter the show
startup-config
or show
configuration
command
Enter q to
return to the
(>) prompt
Platform?
Yes
No
Power down
the router
If necessary,
remove the
processor
card from the
router
Move the
hardware
configuration
register jumper
to bit position
6
If necessary,
reinsert the
processor
card into the
router chassis
Power up
the router
Cisco 2000, 2500, 3000,
4000 series; Cisco 7000
series running Software
Release 9.17(4) or later
(Flash/netboot) or Cisco IOS
Release 10.0 or later (ROM);
Cisco IGS running Software
Release 9.1 or later
Cisco CGS, MGS, AGS, AGS+
running Software Release 9.1(7)
or later; Cisco 7000 series running
Software Releases 9.17(4) through
9.21 from ROM
Enter the
configure
memory
command
Configure
your new login
and/or enable
password(s)
Enter the
configure
terminal
command
Exit
configuration
mode by
entering Z
Locate and
record the
forgotten login
and/or enable
password(s)
Router is
now functioning
normally....
Enter the
configure
terminal
command
Platform?
Enter the
config-register
command using
the configuration
register value
recorded earlier
(config-register 2102)
Exit
configuration
mode by
entering Z
Enter the
reload
command or
power cycle the
router
Restore the
configuration
register
Cisco 2000, 2500, 3000, 4000
series; Cisco 7000 series running
Software Release 9.17(4) or
later (Flash/netboot) or Cisco IOS
Release 10.0 or later (ROM);
Cisco IGS running Software
Release 9.1 or later
Cisco CGS, MGS, AGS, AGS+
running Software Release 9.1(7)
or later; Cisco 7000 series running
Software Releases 9.17(4) through
9.21 from ROM
Power down
the router
Return the
configuration
register jumper
to its original
position. Remove
the processor
card if necessary
Power up
the router
Password
recovery
complete
Enter the
copy running
startup or
write memory
command