Router booting problem

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Apr 9th, 2010
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hi all,

        i have 2811 router and flash is 64MB but i want to upgrade 128MB.i am able to upgrade IOS into this but not reboot itself.

here is attached all details please find it and help me out.


PS:router is boot properly by 64 MB flash

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Overall Rating: 5 (4 ratings)
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Leo Laohoo Sat, 04/10/2010 - 02:13
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I think your IOS is corrupt.  Download it again.

Arup Dutta Sat, 04/10/2010 - 02:29
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hi,

thank toy for your reply but i have been tried with many IOS but problem

remain same.

please comment


On Sat, Apr 10, 2010 at 2:43 PM, leolaohoo <

Leo Laohoo Sat, 04/10/2010 - 02:33
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How big is your CF again?  How big is the IOS you are trying to load?  Upload the IOS that require only 64mb.  Try using TFTPDNLD process as this is alot faster.


How to Download a Software Image to a Cisco 2600 via TFTP Using the tftpdnld ROMMON Command
http://www.cisco.com/en/US/customer/products/hw/routers/ps259/products_tech_note09186a008015bf9e.shtml

Arup Dutta Sat, 04/10/2010 - 02:35
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Hi,

please see bellow the error



Readonly ROMMON initialized

program load complete, entry point: 0x8000f000, size: 0xcb80

open(): Open Error = -66

boot: cannot open "flash:"

boot: cannot determine first executable file name on device "flash:"

c2811 platform with 524288 Kbytes of main memory

Main memory is configured to 64 bit mode with ECC enabled








On Sat, Apr 10, 2010 at 3:03 PM, leolaohoo <

Leo Laohoo Sat, 04/10/2010 - 02:44
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Ok then.  Reload the router and let it go into ROMmon.  On the first prompt type "i" and hit return.  Load the IOS again using TFTPDNLD.  Make sure you load the IOS that requires only 64mb and not the larger one.

Arup Dutta Sat, 04/10/2010 - 02:45
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hi,

Actually i want to upgrade my flash 64MB to 128 MB


please comment


On Sat, Apr 10, 2010 at 3:14 PM, leolaohoo <

Leo Laohoo Sat, 04/10/2010 - 02:49
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Ok.  Now I'm getting confused.  Your post shows that the router is unable to boot but you are more concerned about the CF upgrade from 64mb to 128mb.  Am I understanding your issue?


If this is your issue, my question is this:  Is the 128mb CF formated by the router?

Arup Dutta Sat, 04/10/2010 - 02:52
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Hi,

Actually i have no much more idea but i know this router is support 128

MB flash and my DRAM is 512.

please tell how i know "128mb CF formated"

please reply


On Sat, Apr 10, 2010 at 3:19 PM, leolaohoo <

Arup Dutta Sat, 04/10/2010 - 02:48
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Hi,

After type "i" same error is coming


Readonly ROMMON initialized

program load complete, entry point: 0x8000f000, size: 0xcb80

open(): Open Error = -66

boot: cannot open "flash:"

boot: cannot determine first executable file name on device "flash:"

c2811 platform with 524288 Kbytes of main memory

Main memory is configured to 64 bit mode with ECC enabled





On Sat, Apr 10, 2010 at 3:14 PM, leolaohoo <

Leo Laohoo Sat, 04/10/2010 - 02:53
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What is the result of the command "dir flash:"?

Arup Dutta Sat, 04/10/2010 - 02:55
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hi,

Readonly ROMMON initialized

rommon 1 > dir flash:

program load complete, entry point: 0x8000f000, size: 0xcb80

open(): Open Error = -66

dir: cannot open device "flash:"


please reply


On Sat, Apr 10, 2010 at 3:23 PM, leolaohoo <

Leo Laohoo Sat, 04/10/2010 - 02:57
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Right, this can mean either the following:


1.  There is no CF in the CF slot of your router; or
2.  CF is faulty


Have you tried loading the IOS into the DRAM using the "-r" option?

Arup Dutta Sat, 04/10/2010 - 03:00
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hi,

my 64MB flash is properly working on the same router but problem is only

when try to upgrade 128MB flash.



On Sat, Apr 10, 2010 at 3:27 PM, leolaohoo <

Leo Laohoo Sat, 04/10/2010 - 03:05
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Hi Arup,


Kindly leave the 128mb CF out of the picture as of the moment.  The current issue is that your router WILL NOT BOOT.  I would like to solve this issue first before tackling the 128mb issue.


If you say that the 64mb CF works in other routers, kindly insert the 64mb CF into the router and see if it will boot.

Arup Dutta Sat, 04/10/2010 - 03:12
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Hi,

i am very grateful to your help.actually i want to remove my 64MB flash

which is working and replace of that i want to use 128MB flash that do not

work.

please tell how i can use 128MB flash into the same router.


Appreciate your comment.


On Sat, Apr 10, 2010 at 3:35 PM, leolaohoo <

Leo Laohoo Sat, 04/10/2010 - 03:19
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Hi Arup,


You're not making this easy, Arup. 


Right, then.  Take the 128mb CF and insert it into a fully functional router with the IOS fully loaded.  If you have the right CF the "sh log" will reflect that.


Now, if you do see evidences that the 128mb CF is valid by this router, run the command "format flash:".


Once the format is finished (should take a few minutes) copy the IOS from your TFTP server to the CF.  Once it's done, verify using the command "verify /md5 flash:"

Leo Laohoo Sat, 04/10/2010 - 03:37
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Hi Arup,


If our post were able to help you, kindly rate our posts.  Thank you.

Arup Dutta Sat, 04/10/2010 - 03:40
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hi,

As your valuable support really i appreciate your comment.

thank you.



On Sat, Apr 10, 2010 at 4:07 PM, leolaohoo <

Leo Laohoo Sat, 04/10/2010 - 03:46
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Hi Arup,


That's not what I had in mind.  In the lower left-hand corner of my post there are greyed out stars.  There are two columns or groups.  Over the left column, hover your curser over it.  One star to five star.

marikakis Sat, 04/10/2010 - 04:36
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Hey Leo, sorry to interrupt, but if Arup uses the e-mail feature to respond to the thread, he might not be able to see the stars. Anyway, I can see them clearly.

Leo Laohoo Sat, 04/10/2010 - 15:36
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Thanks Maria. 

alanwright1 Thu, 04/25/2013 - 06:48
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After much messing around I found the issue


The probability is that the CF card you are using has been used before.


'show flash: all' will tell you if the File System Type is FAT16 or not, of this new CF card you are trying to use


in my case format flash: was formatting the card BUT not as FAT16, it was using the same as it was originally done by the PC. I reformatted my card on the PC (W7) which was giving me this grief as FAT16 and bingo! I now have a 512MB CF card for my CME router


When you are running the usual IOS image, FAT32 CF card is readable, but not from the ROM image at boot time, this MUST be FAT16

milkboy33 Thu, 07/25/2013 - 20:09
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Thank you alanwright1 for posting the SOLUTION.

Didier Ribbens Sun, 05/03/2015 - 00:15
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Hello,

 

I had exactly the same issue with some NEW FLASH CARDS.

The work around was to format them with ONLY the BOOT FLAG , by default it was formated using BOOT and LBA.

 

With GPARTED (LINUX) I just removed the LBA flag and I was up and running.

 

PS: I do not use unofficial FLASH CARDS in production , I just use this kind of card in my CCNA LAB.

 

Best Regards,

Didier

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