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Community Member

Problem When Upgrade Router Rommon Mode From USB

Dear All,

While i was trying to upgrade the Rommon IOS via USB, I found the below error message.

Kindly advise

cisco#upgrade rom-monitor file usbflash0:

%Error: srec file read failed

BR

Mohamed Ibrahim

6 REPLIES
Hall of Fame Super Gold

Re: Problem When Upgrade Router Rommon Mode From USB

You have to specify the filename also, you are not doing so in the example above.

Community Member

Re: Problem When Upgrade Router Rommon Mode From USB

Dear p.bevilacqua ,

Thanks for interset

But i specified the file name as shown with the same error message

Abba_Test#upgrade rom-monitor file usbflash0:C2800NM_RM2.srec.124-13r.T

%Error: srec file read failed

BR,

Mohamed Ibrahim

Hall of Fame Super Gold

Re: Problem When Upgrade Router Rommon Mode From USB

Correct filename should be C2800NM_RM2.srec.124-13r.T6

Check that you file is not corrupt and try again.

Community Member

Re: Problem When Upgrade Router Rommon Mode From USB

Dear p.bevilacqua ,

I downloaded this IOS from CISCO Web site and it is C2800NM_RM2.srec.124-13r.T NOT C2800NM_RM2.srec.124-13r.T6

Is there is special USB flash type dedicated for that ?

BR

Mohamed Ibrahim

Hall of Fame Super Gold

Re: Problem When Upgrade Router Rommon Mode From USB

I've verified this right now and indeed T6 is the correct filename, so check again.

You can verify that your usb stick works Ok by copying some files from/to regular flash for a test.

If still trouble, use TFTP that works all the times.

Hall of Fame Super Gold

Re: Problem When Upgrade Router Rommon Mode From USB

Nope. I upgraded my routers (1800/2800/3800) ROMmon using USB and it worked. What is the specific model of the router? Is it a 2811 or a 2821/2841?

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