Peter wrote:

> 4385/4386 could be 3x MTU ? ...

Peter, thanks for responding!
Yes, it seems like I've hit some corner case.
Is this the right place to notify the lwIP maintainers of problems? This is
not a current problem for me as my messages are under the MTU size. I just
hit this while developing some diagnostics for my board and I wanted to let
others know about it.

            Dan

,
On Wed, Feb 1, 2023 at 2:10 PM Dan Nygren <dan.nyg...@gmail.com> wrote:

> Hello fellow lwIP users. Can anyone point me in the right direction on how
> to resolve or report to the right folks the below issue?
>
> I'm seeing rather bizarre behavior in that messages of length 4385 and
> 4386 I send to a lwIP based UDP echo server are not received back.
> udp_sendto() appears to be getting called and completing successfully.
> Wireshark indicates there are "bogus, payload length" errors with these
> lengths.
>
> I have a detailed write up showing the behavior here:
> https://github.com/Xilinx/embeddedsw/issues/212
>
> I can copy the info above into an email for this mailing list if you
> prefer.
>
> Let me know your suggestions on how to proceed. ...   Dan Nygren
>
> ,
>
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