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How to test bandwidth on LAN segments

Posted on 2012-03-28
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Last Modified: 2012-04-17
I've noticed that my throughput when downloading files from the internet, much lower than others on different disparate networks.

This made me start thinking about how I can "easily" test segments of my network for throughput (e.g. from device to switch (I use an Extreme Networking switch infrastructure and Cisco firewall/router) or device to device through a switch, etc.)

Aside from the obvious of transferring a file of know size, timing it and doing the math, are there any tools (free or otherwise) that can make the job easier?

Many Thanks,

John  88{Q
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Question by:tcengineer
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mat1458 earned 500 total points
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by:Khandakar Ashfaqur Rahman
Khandakar Ashfaqur Rahman earned 500 total points
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Use the following tool:
http://xjperf.googlecode.com/files/jperf-2.0.2.zip

You need to run xjperf into both end.One end should run as server and another should run as .

If you want CLI based program:
http://omasse.blogspot.com/2010/12/iperf-205-for-windows.html
http://openmaniak.com/iperf.php
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Author Comment

by:tcengineer
ID: 37827813
Sorry for the delay; I've been out of town.

So I understand, if I wanted to test throughput of every switch, I'd need clients/servers on every switch to communicate between?
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Expert Comment

by:Khandakar Ashfaqur Rahman
ID: 37827933
If you want to test throughput of switch simply connect 2 computers into that switch and start test between 2 computers.traffic will pass through the switch and you can determine the maimum throughput of the switch.
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Author Closing Comment

by:tcengineer
ID: 37857772
Sorry for the delay. I tried Ixia QCheck and it appears to work. I'll need to do more testing and installations at various locations on my network but this well for an "on-demand" check.

Thanks for your suggestions!

John  88{Q
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