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Windows iperf3: Difference between revisions
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Here is how to download and run iper3 on Windows and how to test single and multi-thread upload and download speeds. - This uses the Andrews & Arnold speed test server, which is only available to customers.
The version of iperf3 we have here is 3.13 from Github built with cygwin. It's a newer version that is hosted on the iperf.fr website and so has a lot of bug fixes. - Thanks to ''
===1) Download...===
===4) Find the files...===
In the black box type: '''<SyntaxHighlight inline>cd Downloads\Iperf-3.13-windows-x64\iperf-3.13-windows-x64 </SyntaxHighlight>'''
You can check if you're in the right place by typing '''<SyntaxHighlight inline>dir</SyntaxHighlight>''' and you should see some files including '''<SyntaxHighlight inline>iperf3.exe</SyntaxHighlight>''' listed.
<gallery widths=600 heights=300>
===5) Run iperf3 ===
By default, this will run a single-thread upload speedtest (sending traffic TO the speed test server). As you can see in the screenshot, the upload speed this line happens to get is just over 19Mb/s.
There are various other useful tests you can run, see the variations below.
<gallery widths=600 heights=300>
=Variations=
There are variations you can do to test the speed as follows by using the '''-R''' (reverse) and '''-P''' Parallel options, we've also included a timestamp and a title to help with the logging:
* Run a '''single-thread Download''' test: <SyntaxHighlight inline>iperf3.exe --timestamps -T "1xDOWN" -R -P1 -c speedtest.aa.net.uk</SyntaxHighlight>
* Run a '''single-thread Upload''' test: <SyntaxHighlight inline>iperf3.exe --timestamps -T "1xUP" -P1 -c speedtest.aa.net.uk</SyntaxHighlight>
* Run a '''10-thread Download''' test: <SyntaxHighlight inline>iperf3.exe --timestamps -T "10xDOWN" -R -P10 -c speedtest.aa.net.uk</SyntaxHighlight>
* Run a '''10-thread Upload''' test: <SyntaxHighlight inline>iperf3.exe --timestamps -T "10xUP" -P10 -c speedtest.aa.net.uk</SyntaxHighlight>
===What to look for:===
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