Hi All lwIP IP 1.4.0 is used. I meet a duplicate data problem in two way TCP communication. The communication is in the GPRS network.
Client is running lwIP. C--> S C<-- S inform 1 C--> S C<---S inform 2 In the normal, client should get inform 1, 2. But in certain case: client get 1, 1, 2 The problem pcap: dalian0109-1-2.pcap The good pcap: dalian0109-1-4.pcap In dalian0109-1-2.pcap, line 8, is the extra data client get. I did not known the package is reasonable or not reasonable. It has different sequence number. Lee
dalian0109-1-2.pcap
Description: Binary data
dalian0109-1-4.pcap
Description: Binary data
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