You guys seem to be both making the same mistake, however, I can't tell which it is without knowing what you are actually doing (assuming I'm capable enough to tell, of course). - Is your port a good one, known for not trashing memory and respecting the mandatory laws of calling lwIP from one and only one thread ? - Have you successfully run the examples in the contrib tree? Not any vendor examples, the ones in lwIP's contrib tree. - Have you checked your application against those examples ? Can you tell what is different, anything you are doing that is not exactly like in the examples ? Once you have fullfilled those points, please send a detailed lwIP log and a wireshark capture and I will try to look at them and see if I can help. Chances are you won't need to send anything. In such a case you need to send files, it would be nice to have a chance to know not only what you are doing, but what you are actually trying to do. Please add a detailed description of your application in correct networking terms. For example: "after three times the TCP won't accept my connection and the client application will close" is too vague, who is "the TCP" ? what is "the client application" ? who is "the client"? If you send a connection request, then YOU are the client, the other side is the server, then who is sending what ? Where is lwIP? Is it the client, is it the server, is it both ? Are you writting a client or a server, or both? Have you actually tested your server with a simple telnet ? Is it a well known application ? Please take into account that we on the other side of the mailing list have no clue whatsoever of what you know or don't know, have or don't have.
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