Hi,
On 08/11/17 18:07, Alarig Le Lay wrote:
Hi,
I’ve tested the version 2.3.4, 2.4.0, 2.4.3 and 2.4.4 between the same
two machines on the same link (100M).
The client and router configuration are available here:
https://wiki.grifon.fr/doku.php?id=reseau:openvpn
To test the bandwidth, I ran an iperf3 test inside the tunnel, with no
particular options. I got this results:
srv \ clt | 2.3.4 | 2.4.0 | 2.4.3 | 2.4.4
----------+-------+-------+-------+-------
2.3.4 | 88.5M | 85.6M | 86.8M | 88.2M
----------+-------+-------+-------+-------
2.4.0 | 80.7M | 84.2M | 80.2M | 83.0M
----------+-------+-------+-------+-------
2.4.3 | 80.6M | 82.7M | 83.5M | 83.2M
----------+-------+-------+-------+-------
2.4.4 | 93.8M | 83.0M | 83.6M | 80.9M
What could explain a difference of about 15M between the best and the
worst test?
I would have expected 2.4.4 client+server to be faster....
Other than that, can you try running iperf / iperf3 using
iperf -c ... -n 200M -r -fk
and see if the numbers become more "stable". I have often seen that
running "just iperf" will produce wildly varying results, both on
Ethernet and VPN links.
HTH,
JJK
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