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Hello,

I have a problem with some network traffic and I try to find the reason. It's the comunication betwen a process (IP: 212) and a Terminal-Server (IP: 206).

Often the connection breaks and we have to restart the hardware.

In wireshark I can see these "TCP DUP ACK" and "RST" Packages. Do you know a reasy why we resend these packages so often?

The target device uses a 10MBit Port. The Process on the server uses a 100Mbit card.

I think the problem is on the side of the terminal server (IP: 206) because other connections are working fine. The strange thing is, that connections to this server on other ports than TCP:2200 are working "much better".

here are images of the TCP traffic: https://ibb.co/c667Sz7 (Port: 2100 not working) https://ibb.co/2NK7ygG (Port: 2200 working bad) https://ibb.co/tK6z5pR (Port 2400 working okay)

Thank you