On Sat, 12 Feb 2022 19:54:20 , tincantech via Openvpn-users
<openvpn-users@lists.sourceforge.net> wrote:
> regarding your bottleneck, try iperf3 without the VPN but across the real
> internet.
Hm,
That would entail having a way to enter my home LAN in a similar way as with
VPN, right?
I do have a few DDNS domain names pointing to my router's external address
already, so I could add a new port forward for a not so common port
(temporarily).
If I set up a port forward for such a port to the local server I guess I can
then use iperf3 to make a connection and check speed while bypassing the OpenVPN
encryption bottleneck.
Like doing this with port 33456 forwarded by the router to the OpenVPN server:
Server:
iperf3 -s -p 33456 -1 -f K
Client:
iperf3 -c <my ddns domain> -p 33456 -f K
--------- So I tried that: --------------
$ iperf3 -c xxxx.boberglund.com -p 33456 -f K
Connecting to host xxxx.boberglund.com, port 33456
[ 5] local 192.168.117.251 port 55484 connected to 158.174.1xx.1yy port 33456
[ ID] Interval Transfer Bitrate Retr Cwnd
[ 5] 0.00-1.00 sec 2.40 MBytes 2456 KBytes/sec 50 7.07 KBytes
[ 5] 1.00-2.00 sec 1.43 MBytes 1459 KBytes/sec 34 5.66 KBytes
[ 5] 2.00-3.00 sec 1.25 MBytes 1277 KBytes/sec 39 7.07 KBytes
[ 5] 3.00-4.00 sec 1.07 MBytes 1094 KBytes/sec 35 4.24 KBytes
[ 5] 4.00-5.00 sec 1.43 MBytes 1460 KBytes/sec 29 9.90 KBytes
[ 5] 5.00-6.00 sec 912 KBytes 912 KBytes/sec 34 1.41 KBytes
[ 5] 6.00-7.00 sec 1.07 MBytes 1095 KBytes/sec 33 5.66 KBytes
[ 5] 7.00-8.00 sec 1.25 MBytes 1277 KBytes/sec 39 9.90 KBytes
[ 5] 8.00-9.00 sec 1.43 MBytes 1459 KBytes/sec 42 4.24 KBytes
[ 5] 9.00-10.00 sec 1.25 MBytes 1277 KBytes/sec 37 4.24 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.00 sec 13.4 MBytes 1377 KBytes/sec 372 sender
[ 5] 0.00-10.00 sec 13.0 MBytes 1336 KBytes/sec receiver
iperf Done.
------------------- End of test -------------------
Seems like I am getting the exact same result here, about 10 Mbit/s only...
When I run the test I have to be connected with PuTTY to the remote client and
this passes through the VPN tunnel.
I hope that is not disturbing the measurements.
I assume that there is no encryption involved with the transfers here?
The VPN connection is set up to only pass LAN-LAN traffic through the tunnel,
while Internet traffic uses the respective router as gateway to the Internet.
I also tested the Internet speed using Ookla speedtest:
Remote site:
Speedtest by Ookla
Server: RETN - Stockholm (id = 32926)
ISP: Bahnhof AB
Latency: 2.56 ms (0.07 ms jitter)
Download: 248.73 Mbps (data used: 112.6 MB )
Upload: 57.17 Mbps (data used: 70.9 MB ) <== Suspiciously slow
Packet Loss: 2.7%
Home site:
Speedtest by Ookla
Server: Bahnhof AB - Stockholm (id = 34024)
ISP: Bahnhof AB
Latency: 1.48 ms (0.90 ms jitter)
Download: 242.70 Mbps (data used: 192.2 MB)
Upload: 248.81 Mbps (data used: 368.8 MB)
Packet Loss: 0.0%
More investigation needed...
--
Bo Berglund
Developer in Sweden
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