Re: problem with IOS upgrade

From: MADMAN (dmadlan@xxxxxxxxx)
Date: Fri Mar 15 2002 - 12:39:34 GMT-3


   
  A quick glance tells me 12.1.5T9, 12.1.5T is deferred, requires 16M
flash and 10M RAM for the IP only version.

  Dave

Sundar Palaniappan wrote:
>
> I am trying to upgrade the IOS to 12.1(5)T on a 2501.
>
> It had 8MB Flash and I added another 8MB flash. Router recognizes all the
> flash chips.
>
> The upgrade fails constantly half-way through the TFTP process. I tried it
> via back-to-back serial connection and via ethernet.
>
> I am begining to suspect the new flash 8MB card even though the router
> recognizes it as valid.
>
> Anyone had this problem before?
>
> Here is the error message I am getting during the tftp process.
>
> !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!
> !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
> %Error: System flash location 0x3804A54 - wrote 0x22000000, read 0xFF000000
>
> COPY: Text checksum verification failure
>
> TFTP from 172.22.1.100 failed/aborted
>
> Verifying checksum... invalid (expected 0x1212, computed 0x16EF)
> Flash copy took 0:04:13 [hh:mm:ss]
>
> Chardin(boot)#show flash chips
> 16384K bytes of processor board System flash (Read/Write)
>
> Chip Bank Code Size Name
> 1 1 01AD 2048KB AMD 29F016
> 2 1 01AD 2048KB AMD 29F016
> 3 1 01AD 2048KB AMD 29F016
> 4 1 01AD 2048KB AMD 29F016
> 1 2 01AD 2048KB AMD 29F016
> 2 2 01AD 2048KB AMD 29F016
> 3 2 01AD 2048KB AMD 29F016
> 4 2 01AD 2048KB AMD 29F016
>



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