I just checked with our windows engineer and he said the iperf 2 <https://sourceforge.net/projects/iperf2/>team no longer uses cygwin but rather builds a native version.
Bob On Tue, Feb 4, 2020 at 2:07 PM Daniel Havey <dha...@gmail.com> wrote: > Hi, I'm Daniel Havey from Microsoft Windows. I'm the PM for transports > (TCP/QUIC) and there is a bug in the cygwin1.dll that was distributed with > the iperf binaries. The bug limits maximum bandwidth achievable by the > iperf tool. Details can be found in my blogpost: > https://techcommunity.microsoft.com/t5/networking-blog/windows-network-performance-suffering-from-bad-buffering/ba-p/339668 > > We worked with RedHat on Cygwin to fix the bug, but I am still getting > reports of limited bandwidth from windows iperf users. The fix is simple. > Just download the new cygwin1.dll from the cygwin website and the problem > will be fixed. > > thanks ;) > ...Daniel > _______________________________________________ > Iperf-users mailing list > Iperf-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/iperf-users >
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