Solved: High latency in LAN

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jcury

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Apr 18, 2010
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Hey everyone, I am having problem with high latency in my LAN.
I have a win xp SP3 installed on the host pc, and I connect 7 ultra thin clients to it. I also have 3 tp-link switches in the network. The problem is that I am getting high latency when pinging from the host PC to the clients. About 12-55mS. The Cable is a FTP cable and the distance of the farthest client from the host is 83 Meters.
Any suggestions?
 

JohnWill

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Oct 19, 2002
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FTP cable? Are these 100mbit or gigabit connections? What are the other clients doing on the network when you're pinging and getting the high response time?
 

jcury

Thread Starter
Joined
Apr 18, 2010
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9
No i am using a ftp cable but the thin clients are 100MBPS and so are the switches. Only the lan port on the server is gigabit, i tried to lower the speed to 100mbps but same problem.

during the pings the clients are not being used, just loged in.

also a weard thing, after more then 2 thin clients log in the problem gets even worse, the connection keeps dropping.
 

JohnWill

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FTP cable requires more consideration in grounding, are you sure the cable is installed correctly? I'd try a plain UTP cable to connect in place of the FTP cable to see if that affects things.
 

jcury

Thread Starter
Joined
Apr 18, 2010
Messages
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Thanks for the help guys.
I finally found the problem. 4 of the thin clients had the same mac address i don't know why.
just changed it and it worked.

thanks so much.
 

JohnWill

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That's certainly odd! :)

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