I have an old cisco 2503 router in my work. I have to test something and
i choose to use it. When I entered this router, there has password (it seem to be set by old employee ) . I don't know password and i decided to recover password, reboot router, enter rommon mode, But whenever i type confreg 0x2142 , it's jump to original user mode. can't recover password.
what should i do ?
here is originial msg from router console.
>confreg 0x2142
Exception: Jump to zero at 0x3 (PC)
System Bootstrap, Version 5.2(8a), RELEASE SOFTWARE
Copyright (c) 1986-1995 by cisco Systems
2500 processor with 2048 Kbytes of main memory
F3: 4954544+67224+340432 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-I-L), Version 11.3(11d), RELEASE SOFTWARE (fc1)
Copyright (c) 1986-2003 by cisco Systems, Inc.
Compiled Tue 22-Jul-03 17:02 by eaarmas
Image text-base: 0x03029994, data-base: 0x00001000
cisco 2500 (68030) processor (revision N) with 2048K/2048K bytes of memory.
Processor board ID 05535516, with hardware revision 00000000
Bridging software.
X.25 software, Version 3.0.0.
Basic Rate ISDN software, Version 1.0.
1 Ethernet/IEEE 802.3 interface(s)
2 Serial network interface(s)
1 ISDN Basic Rate interface(s)
32K bytes of non-volatile configuration memory.
8192K bytes of processor board System flash (Read ONLY)
Press RETURN to get started!
I can enter user mode only. this is sh ver
R2503>sh ver
Cisco Internetwork Operating System Software
IOS (tm) 2500 Software (C2500-I-L), Version 11.3(11d), RELEASE SOFTWARE (fc1)
Copyright (c) 1986-2003 by cisco Systems, Inc.
Compiled Tue 22-Jul-03 17:02 by eaarmas
Image text-base: 0x03029994, data-base: 0x00001000
ROM: System Bootstrap, Version 5.2(8a), RELEASE SOFTWARE
BOOTFLASH: 3000 Bootstrap Software (IGS-RXBOOT), Version 10.2(8a), RELEASE SOFTW
ARE (fc1)
R2503 uptime is 5 minutes
System restarted by error - Jump to zero, PC 0x3
System image file is "flash:c2500-i-l.113-11d.bin", booted via flash
cisco 2500 (68030) processor (revision N) with 2048K/2048K bytes of memory.
Processor board ID 05535516, with hardware revision 00000000
Bridging software.
X.25 software, Version 3.0.0.
Basic Rate ISDN software, Version 1.0.
1 Ethernet/IEEE 802.3 interface(s)
2 Serial network interface(s)
1 ISDN Basic Rate interface(s)
32K bytes of non-volatile configuration memory.
8192K bytes of processor board System flash (Read ONLY)
Configuration register is 0x2102
