Why can't get more speed on iperf on windows xp

Posted by SledgehammerPL on Super User See other posts from Super User or by SledgehammerPL
Published on 2013-10-26T21:26:43Z Indexed on 2013/10/26 22:00 UTC
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Filed under:

windows-xp

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bandwidth

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performance-tuning

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throughput

I test my bandwith and throughput using iperf (jperf) on desktop PC with WinXP.

I can't get more than 3Mbit/s outside until I change TCP Window size - about 84Kb is ok.

but I can't force XP to use this value by default.. I try very many magic spells on Registry, use many TCP Optimisers - but nothing works.

I will accept that that everything is ok, when I reboot the PC, run iperf and will see 18.1Mbit - like my Linux box standing very near my Windows XP Box.

Is it possible?

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