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Problem with network traffic and latency on network

Posted on 2011-02-16
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Last Modified: 2012-06-27
We have 2 networks using the same infrastructure in an office. One is a 10.10.x.x. scheme and the other is 192.168.x.x (SBS 2003/Win7)scheme. They are small networks and each is functioning properly.

The 192.168.x.x SBS2003/Win7 network is experiencing latency. The users complain Outlook and other apps hang into "not responding" a lot then come around.

If I take the 2 Win 7 workstations, and the SBS server they work with, and place them on their own switch, but connect this switch still to the larger network that shares the internet, will this improve the performance as the 2 workstations as they talk to their own server?
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Question by:dgrenda
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by:Noduzz
ID: 34907880
I dont think that would work unless you add them to a separate VLAN.  The separate VLAN would put them on a network that doesnt talk to the other unless specified, but i really dont know how much the network chattiness is affecting your network being that it is a small network, i would run wireshark and see what is going on in your network first.
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Author Comment

by:dgrenda
ID: 34907926
I agree with you but I was thinking that if the 2 Win 7 workstations and their server were immediately close to each other on the seperate switch, that the major portion of their traffic would be handled first. Thus reducing the latency.

Is this incorrect?
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by:Noduzz
ID: 34907980
well being that they are in a network currently that is not big, i wouldnt think it would, i mean you should be getting less than 1ms times in a netowrk that is small regardless of where on the switch it is.
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Author Comment

by:dgrenda
ID: 34908013
Then can you give me a theory on why these Win7 users are having the latency? I know there are a lot of possibilties.

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Noduzz earned 500 total points
ID: 34908202
I would run wireshark and see what is running on your network
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Author Comment

by:dgrenda
ID: 34908565
Yeah. Ok will do. I've used wireshark.
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Author Comment

by:dgrenda
ID: 34932814
Nothing conclusive from Wireshark. Maybe ask me something you would like to know from it...if you had run it yourself, and I can take a look.

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Author Comment

by:dgrenda
ID: 34947511
What would I look for in Wireshark?
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Author Closing Comment

by:dgrenda
ID: 34964445
Thanks for help!
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