The TCP Listen.vi doesn't seem to detect reliably all the elements on the network.

I use a network dedicated to four devices. When I run the TCP Listen.vi it does not always detect all four of the devices. Sometimes, he gets all of them and in the worst case, a single device.  The question I have is to detect if it's the vi or if there is that something screwed up with the network, or with devices.  I bet on the devices, but the development engineers always tell me it perfect stuff. From time to time, I have a hard time to believe for some reason any.

Someone has ideas how to analyze where is the problem?  I am a newbie with TCP stupid mistakes are not only possible, but likely.

Thank you

Dave

Nathand,

I think you have already revealed the possible source of the problem. I think that I do not use this thing correctly based on your information.  I'll go back and rewrite things and see where I get.  And thanks for the tip of Wireshark. Never heard before.

Thank you!

Tags: NI Software

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