hi,
To enable rommon mode try this - Break-F5 or SHIFT-F5 or Shift-6 Shift-4
Shift-b (^$B) .
Example of Password Recovery on a Cisco 2500
The example shown here is password recovery on a Cisco 2500.
Router>en
Password:
Password:
Password:
% Bad secrets
Router>show version
Cisco Internetwork Operating System Software
IOS (tm) 2500 Software (C2500-JS-L), Version 12.0(7)T, RELEASE
SOFTWARE (fc2)
Copyright (c) 1986-1999 by cisco Systems, Inc.
Compiled Mon 06-Dec-99 17:10 by phanguye
Image text-base: 0x0306C4E0, data-base: 0x00001000
ROM: System Bootstrap, Version 5.2(8a), RELEASE SOFTWARE
BOOTFLASH: 3000 Bootstrap Software (IGS-RXBOOT), Version 10.2(8a),
RELEASE SOFTWARE (fc1)
Router uptime is 5 minutes
System returned to ROM by power-on
System image file is "flash:/c2500-js-l.120-7.T"
cisco 2500 (68030) processor (revision D) with 8192K/2048K bytes of
memory.
Processor board ID 02315272, with hardware revision 00000000
Bridging software.
X.25 software, Version 3.0.0.
SuperLAT software (copyright 1990 by Meridian Technology Corp).
TN3270 Emulation software.
1 Ethernet/IEEE 802.3 interface(s)
1 Token Ring/IEEE 802.5 interface(s)
2 Serial network interface(s)
32K bytes of non-volatile configuration memory.
16384K bytes of processor board System flash (Read ONLY)
Configuration register is 0x2102
Router>
!--- The router was just powercycled and during bootup a
!--- break sequence was sent to the router.
!
Abort at 0x10EA83C (PC)
>o/r 0x2142
>i
System Bootstrap, Version 5.2(8a), RELEASE SOFTWARE
Copyright (c) 1986-1995 by cisco Systems
2500 processor with 8192 Kbytes of main memory
F3: 13626872+197596+780568 at 0x3000060
Restricted Rights Legend
Use, duplication, or disclosure by the Government is
subject to restrictions as set forth in subparagraph
(c) of the Commercial Computer Software - Restricted
Rights clause at FAR sec. 52.227-19 and subparagraph
(c) (1) (ii) of the Rights in Technical Data and Computer
Software clause at DFARS sec. 252.227-7013.
cisco Systems, Inc.
170 West Tasman Drive
San Jose, California 95134-1706
Cisco Internetwork Operating System Software
IOS (tm) 2500 Software (C2500-JS-L), Version 12.0(7)T, RELEASE
SOFTWARE (fc2)
Copyright (c) 1986-1999 by cisco Systems, Inc.
Compiled Mon 06-Dec-99 17:10 by phanguye
Image text-base: 0x0306C4E0, data-base: 0x00001000
cisco 2500 (68030) processor (revision D) with 8192K/2048K bytes of
memory.
Processor board ID 02315272, with hardware revision 00000000
Bridging software.
X.25 software, Version 3.0.0.
SuperLAT software (copyright 1990 by Meridian Technology Corp).
TN3270 Emulation software.
1 Ethernet/IEEE 802.3 interface(s)
1 Token Ring/IEEE 802.5 interface(s)
2 Serial network interface(s)
32K bytes of non-volatile configuration memory.
16384K bytes of processor board System flash (Read ONLY)
--- System Configuration Dialog ---
Would you like to enter the initial configuration dialog? [yes/no]:
!--- Ctrl-C pressed
!
Press RETURN to get started!
Router>en
Router#copy start run
Destination filename [running-config]?
1278 bytes copied in 10.448 secs (127 bytes/sec)
Router#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#enable secret Cisco
Router(config)#int e0
Router(config-if)#no shut
Router(config-if)#int s0
Router(config-if)#no shut
Router(config-if)#int s1
Router(config-if)#no shut
Router(config-if)#
Router(config-if)#exit
Router(config)#config-register 0x2102
Router(config)#^Z
Router#wr mem
Building configuration...
[OK]
Router#
Router#
Good Luck.....
HP
> -----Original Message-----
> From: Robert McIntire [SMTP:[EMAIL PROTECTED]]
> Sent: Wednesday, October 11, 2000 9:55 AM
> To: [EMAIL PROTECTED]
> Subject: 2500 router password recovery
>
> I'm working with a used 2514 router with an unknown enable password. I've
> tried the standard break technique but can't abort the boot sequence. I
> believe that break may be disabled. I'm using Win NT 4 and hyperterminal
> to connect to the console port and am able to connect and SHOW VERSION.
> I am getting terminal feedback. I've used CTRL-BREAK AND CTRL-SHFT-6 to
> no avail. How can I access ROMMON mode and change the password? Is there
> a jumper on the system board that can be used to circumvent the password
> and access the router for configuration?
> Any advice is appreciated, Thanks
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