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Posted by Ivana on December 27, 2004, 4:22 pm
Hello,
I 've got a router from customer who tried to download new IOS on cisco
1721. After that, the following message is displayed:
device does not contain a valid magic number
boot: cannot open "flash:"
boot: cannot determine first file name on device "flash:"
System Bootstrap, Version 12.2(7r)XM1, RELEASE SOFTWARE (fc1)
TAC Support: http://www.cisco.com/tac
Copyright (c) 2001 by cisco Systems, Inc.
C1700 platform with 65536 Kbytes of main memory
I tried to boot from rommon, but with no success. What could be the problem?
Is flash corrupted?
Many regards,
Ivana
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Posted by Doug McIntyre on December 27, 2004, 4:40 pm
>I 've got a router from customer who tried to download new IOS on cisco
>1721. After that, the following message is displayed:
>device does not contain a valid magic number
>boot: cannot open "flash:"
>boot: cannot determine first file name on device "flash:"
Probably either the Flash is erased, or somehow got an image for a
wrong system type onto the Flash (it tries hard to prevent this, but
there are still ways to get around it).
>I tried to boot from rommon, but with no success. What could be the problem?
>Is flash corrupted?
IOS is gone or unusable, time to bootstrap it from ROMMON.
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Posted by Ivana on December 28, 2004, 9:39 am
Hi,
when I try to download IOS from ROMMON I get the following message:
Programming location 60000000
program_flash_ex: Write Error
and after that it stops. What else can I do?
Thanks,
Ivana
> >I 've got a router from customer who tried to download new IOS on cisco
> >1721. After that, the following message is displayed:
> >device does not contain a valid magic number
> >boot: cannot open "flash:"
> >boot: cannot determine first file name on device "flash:"
> Probably either the Flash is erased, or somehow got an image for a
> wrong system type onto the Flash (it tries hard to prevent this, but
> there are still ways to get around it).
> >I tried to boot from rommon, but with no success. What could be the
problem?
> >Is flash corrupted?
> IOS is gone or unusable, time to bootstrap it from ROMMON.
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Posted by Ivan Ostreš on December 28, 2004, 9:57 am
says...
> Hi,
> when I try to download IOS from ROMMON I get the following message:
>
> Programming location 60000000
> program_flash_ex: Write Error
>
>
> and after that it stops. What else can I do?
>
You can change flash memory since it looks like a hardware error.
--
-Ivan.
*** Use Rot13 to see my eMail address ***
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Posted by Ivana on December 28, 2004, 10:32 am
Thaanks!
Ivana
> says...
> > Hi,
> > when I try to download IOS from ROMMON I get the following message:
> > Programming location 60000000
> > program_flash_ex: Write Error
> > and after that it stops. What else can I do?
> You can change flash memory since it looks like a hardware error.
> --
> -Ivan.
> *** Use Rot13 to see my eMail address ***
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>1721. After that, the following message is displayed:
>device does not contain a valid magic number
>boot: cannot open "flash:"
>boot: cannot determine first file name on device "flash:"