[BusyBox] tftp quits after 33553920 bytes
Steve Wahl
swahl at brecis.com
Thu May 1 00:27:06 UTC 2003
On Thu, May 01, 2003 at 02:18:00AM +0200, Wolfgang Denk wrote:
> In message <432296A5CDF78D4FA6B47869124755FBCF187F at communicator.troikanetworks.com> you wrote:
> > version: 0.60.5
> >
> > tftp times out with the message:
> > tftp: timeout
> > tftp: last timeout
> >
> > after transferring 33553920 bytes.
> >
> > Is this a known issue?
>
> It's a limitation of the TFTP protocol which uses a 16 bit counter
> for data block of 512 bytes each.
>
> You cannot transfer files bigger than 32 MB using TFTP.
That is incorrect. Lots of implementations just let the counter wrap
like TCP does with its 16 bit counter. The specification does not say
that this is not allowed.
--> Steve
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