In the following topology, PC1 is establishing a TCP session with PC3 for data transfer.
Check whether the TCP endpoints are exchanging the TCP window size with a value more than 0. If the window size is set to 0, the receiver is not capable of receiving any traffic and the data transfer will fail.
The preceding is an example of TCP zero window. The receiving node (10.0.0.9) is not capable of accepting any new sessions or data ...
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