reboat on rommon mod

Unanswered Question
Aug 12th, 2007

hi Experts,

each time i restart my 2811 router it's drive me to the rommon mod and i have to select boot from flash i intered boot system command and it's shown as followed



boot system flash:c2800nm-ipbase-mz.124-11.T.bin



I have this problem too.
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mohammedmahmoud Sun, 08/12/2007 - 04:51

Hi Mohamed,

can you please paste the show version and dir flash:


Mohammed Mahmoud.

mohamedaman Sun, 08/12/2007 - 05:04

Cisco IOS Software, 2800 Software (C2800NM-IPBASE-M), Version 12.4(11)T, RELEASE


Technical Support:

Copyright (c) 1986-2006 by Cisco Systems, Inc.

Compiled Sat 18-Nov-06 17:16 by prod_rel_team

ROM: System Bootstrap, Version 12.4(13r)T, RELEASE SOFTWARE (fc1)

Wasla uptime is 1 hour, 23 minutes

System returned to ROM by reload at 10:24:21 UTC Sun Aug 12 2007

System image file is "flash:c2800nm-ipbase-mz.124-11.T.bin"

Cisco 2811 (revision 53.50) with 249856K/12288K bytes of memory.

Processor board ID FCZ111570E5

2 FastEthernet interfaces

4 Serial(sync/async) interfaces

2 Channelized E1/PRI ports

DRAM configuration is 64 bits wide with parity enabled.

239K bytes of non-volatile configuration memory.

62720K bytes of ATA CompactFlash (Read/Write)

Configuration register is 0x3920

mohamedaman Sun, 08/12/2007 - 05:06

ompactFlash directory:

File Length Name/status

1 19656184 c2800nm-ipbase-mz.124-11.T.bin

[19656248 bytes used, 44569028 available, 64225276 total]

62720K bytes of ATA CompactFlash (Read/Write)

mohammedmahmoud Sun, 08/12/2007 - 05:17

hi Mohamed,

Please change the Configuration register to 0x2102 via the config-register command and reload the router .


Mohammed Mahmoud.

mohamedaman Sun, 08/12/2007 - 05:38

great it's work....

how can i get back the SDM as it's erased from the flash:

(i don't have cco password to download it)


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