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tcp retransmission

Question asked by Emanuele Trapani on Jan 19, 2016
Latest reply on Apr 21, 2016 by Emanuele Trapani

hi, i use mqx 4.2, cw 10.6 and frmk64f.

when i use this board for a comunication on ethernet lan i see that there are a lot of retransmission packets: about 30% of transmitted packet. i try to write a simple application that send several packets on lan from my board to my pc at hercules application. while it is transfering i use wireshark to see the traffic on the lan. my question is:

- is it normal to have about 30% of ethernet traffic composed by [TCP RETRANSMISSION] packets?

- there is a way to avoid it?