Sylvain wrote > ... Anyway, basic rule about using fragmented IP packets: avoid (to not say don't).
Thank you for the advice Sylvain. My design is keeping its packets under the Ethernet 1500 octet MTU. I had made a diagnostic command to have my design send back arbitrarily sized messages to prove everything was working correctly when I ran into the 4385/4386 message size problem. Dan , On Fri, Feb 3, 2023 at 1:24 PM Dan Nygren <dan.nyg...@gmail.com> wrote: > 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 >> >> , >> >
_______________________________________________ lwip-users mailing list lwip-users@nongnu.org https://lists.nongnu.org/mailman/listinfo/lwip-users
