Re: help_upgrade IOS via aux or con

From: Andres Zeller (azeller@xxxxxxxxxx)
Date: Wed Nov 08 2000 - 16:08:15 GMT-3

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> "Ron Z." wrote:
>
> Hey, All,
>
> I have a Cisco 2504 (1 token, 2 serial, 16MB flash/16MB DRAM) with IOS
> 11.3. I'd like to upgrade it to 12.1 with IP sec. I downloaded the IOS
> image (c2500-jos56i-l_121-5.bin) and tried to upgrade it using the
> serial port and type "copy tftp flash". It does't work.
>
> I checked the config guide. It just mentioned "copy xmodem flash" for
> Cisco 1600 or 3600 seris using aux or con port. Is there any way to
> upgrade the IOS using Con or Aux port for 2500 series?
>
> Thanks in advance,
>
> Ron

Where exacatly does the tftp fail. Have you already done the erase of
the existing IOS? Older 2500 bootproms do not support routing features
during IOS upgrade. At that point it would be necessary to be on a
directly connected serial or tokenring interface.

Andres

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