Hi, On Fri, Jun 08, 2018 at 11:13:06AM +0200, David Sommerseth wrote: > First of all, IIRC, the default iperf3 runs uses TCP. Your VPN tunnel runs > over UDP (which normally is good). So you're comparing a little bit apples > and oranges here. > > Try running the same iperf3 test outside the VPN tunnel with --udp. Does that > give different results?
Uh. You want more coffee :-)
The whole point of "openvpn over UDP" is that TCP based protocols will
be able to do "their thing" (retransmit, buffering, ...) without OpenVPN
getting in the way.
So "TCP over naked IP" is exactly what you want to compare to "TCP over
OpenVPN over UDP/IP" - so "iperf3 tcp" is a valid test for "how does
the performance vary if OpenVPN/UDP is mixed into the protocol stack?".
gert
--
"If was one thing all people took for granted, was conviction that if you
feed honest figures into a computer, honest figures come out. Never doubted
it myself till I met a computer with a sense of humor."
Robert A. Heinlein, The Moon is a Harsh Mistress
Gert Doering - Munich, Germany g...@greenie.muc.de
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