Hello, I need advice and help on one issue with lwip stack version 1.4.1. I am new to this stack and to networking in general. Nevertheless I have integrated it to application on Infineon xmc processor together with FreeRTOS. Looking on many different examples on the internet and many trial and error. I am using netconn sockets. Application works!
The only problem is that after some time, better say after exchanging several 10-100 packets of different sizes, response gets slow. From 2ms down to 2-3seconds. It still works but slow. Same if I use ping. I tried all possible setting of lwip options but of course since I don't have deep insight of what they influence I was not able to improve this behavior. I would appreciate if you can give me a hint what could be wrong, what could I check, how to proceed to debug this strange behavior. I tried also new version 2.0 of stack but behavior is same. rum
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