It depends on what you actually do when you "use" the sockets.
If you trust your port and driver, then debug your app and do a traffic
capture. Is it possible your app is starving the lwIP task as Noam
suggests ? Where do your messages get lost ? Are they in the wire ? Do
they enter the lwIP stack ? Is your driver priority higher than your
task ? Do you have enough memory ? Enough pbufs ? Have you tried
enabling stats to see if your driver is dropping frames because of no
mem ? What is your application timing, how fast are your messages
coming/going ? Do you lose consecutive ones ? Are you testing on a real
network with traffic or do you have a one to one wiring ?
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