Question is like this, and now there is a cap file, I need to use the code of a parse the data part, save him to another document, but the question now is whether the cap file some data is wrong, Wireshark given error description is the New fragments overlaps old data (retransmission?) , namely Tcp repeat transmission, , then I will according to parse out which fields to determine whether this data has a problem, because I have to filter out him,