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Sender station:

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Receiver station: enter image description here

The two computers are directly connected one to another without any switch or router. Netstat gives no clue what is happening. Amount of received packets is always ~50% of what was sent. Refresh interval of both TaskManager sessions is 1 second. I tried to collect these statistics also with PerformanceMonitor with the same results. How is this possible?

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migrated from stackoverflow.com May 3 '11 at 9:52

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4  
@truthseeker, do you have a duplex mismatch between them? –  Mike Pennington May 2 '11 at 15:08
2  
@truthseeker: might want to consider accepting some answers.... –  Mitch Wheat May 2 '11 at 15:10
    
Analyzing situation, will give answer. –  truthseeker May 2 '11 at 15:13
    
@truthseeker, have you found more information about this problem? –  Mike Pennington May 2 '11 at 21:06
    
Its no duplex mismatch problem. It probably has to do with receiver application don't reading incomming data fast enough. Just guessing because Microsoft network test tool (blogs.technet.com/b/winserverperformance/archive/2008/05/03/…) runs correctly. I am using tcp protocol. –  truthseeker May 3 '11 at 9:01

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