Hello,
I'm working on a webserver application, and I use the lwip 1.4.1 tcp/ip
stack. I'm working on STM32F407 device. I implemented the binary file
upload, but sometimes when I try to upload the files, get TCP
retransmission and TCP Dup Ack error on network capture. Sometimes the
file upload was succesfully and somtimes wasn't. Can You tell me
somebody why it's caused? I didn't find the right solution up to now.
The two captures(one when the upload was succesfully, one when wasn't)
is available at this link.
https://we.tl/BYayHqMAEV
Please use the following filter to see the captures between my PC and my
device: ip.addr == 192.168.0.23
Please help me. Kind regards, Szabolcs
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