* David Sommerseth <open...@sf.lists.topphemmelig.net>:

> > # iperf3 -c 172.31.254.1

...

> 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?

Beware, UDP is limited to 1 Mbit in iperf ("default 1 Mbit/sec for
UDP, unlimited for TCP"), thus:

iperf3 --udp --bandwidth 200M -c 172.31.254.1

Also, check CPU on both machines to see if you're CPU bound.

-- 
Ralf Hildebrandt                   Charite Universitätsmedizin Berlin
ralf.hildebra...@charite.de        Campus Benjamin Franklin
https://www.charite.de             Hindenburgdamm 30, 12203 Berlin
Geschäftsbereich IT, Abt. Netzwerk fon: +49-30-450.570.155

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