VPN server is server TCP window size: 85.3 KByte (default) ------------------------------------------------------------ [ 4] local 10.8.0.1 port 5001 connected with 10.8.0.2 port 43132 [ ID] Interval Transfer Bandwidth [ 4] 0.0-11.0 sec 1.64 MBytes 1.25 Mbits/sec [ 4] local *.*.*.* port 5001 connected with *.*.*.* port 47572 [ 4] 0.0-16.0 sec 2.61 MBytes 1.37 Mbits/sec
VPN client is server TCP window size: 85.3 KByte (default) ------------------------------------------------------------ [ 4] local 10.8.0.2 port 5001 connected with 10.8.0.1 port 54758 [ ID] Interval Transfer Bandwidth [ 4] 0.0-10.4 sec 6.00 MBytes 4.84 Mbits/sec As for the system performance real 0m10.569s user 0m7.482s sys 0m0.017s On Mon, Dec 17, 2018 at 7:28 PM <pippin...@protonmail.com> wrote: > Hi, > > Maybe it's a good idea to get an approx. system performance first for > involved hosts. > [code] > > openvpn --genkey --secret /tmp/secret > time openvpn --test-crypto --secret /tmp/secret --verb 0 --tun-mtu 20000 > --cipher aes-256-gcm > > [/code] > > 3200 / execution_*time*_seconds ~ max. theoretical speed in Mbps. > Change --cipher aes-256-gcm to cipher used. > Ex. Laptop I currently use: > real 0m8.025s > user 0m8.089s > sys 0m0.004s > > 3200 / 8.096 ~ 398 Mbps > > Not an exact but ballpark figure ;) > > > > Sent with ProtonMail <https://protonmail.com> Secure Email. > > ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ > On Monday 17 December 2018 11:25, Tamir Khason <tam...@gmail.com> wrote: > > Hi, > Setup is following: > 1) VPS running OpenVPN server (default config) > Network performance from this server is 700-800 mbps to the "Known Host" > 2) Client running OpenVPN client (default config) > Network performance from this client to server 1 is 80-90 mbps > 3) Client performance to the "Known Host" without VPN is 70-80 mbps > When client is connecting to the "Known Host" via VPN it's getting > 8-10 mbps > > Tried following: > Played with snd/rcv buffers, removed encryption, played with mtu - > nothing, even if there is a speed increase, it's around 1mbps. > Tries another client (powerful pc) - same > Tried another server (not my config) - getting decent speed (cannot > validate it to exactly the same server, but the speed is decent). > > This brings me to the conclusion that the issue is somewhere in the > OpenVPN server. > > I would expect at least 50-60 from this client to the "Known Host" . But > this not happens. > Please, assist... I'm out of ideas > > Thank you > > >
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