Syntax for iperf3 to use over pair wireguard interfaces on a LAN?

[John]

My mistake... I opened 500/udp for both sides... a quick fix was to
allow all from 10.0.9.0/24 and it works. Thank you for the reply.

On foo:
% iperf3 -s
                                     :(
-----------------------------------------------------------
Server listening on 5201
-----------------------------------------------------------
Accepted connection from 10.0.9.16, port 54812
[  5] local 10.0.9.15 port 5201 connected to 10.0.9.16 port 54814
[ ID] Interval           Transfer     Bitrate
[  5]   0.00-1.00   sec   102 MBytes   854 Mbits/sec
[  5]   1.00-2.00   sec  98.1 MBytes   823 Mbits/sec
[  5]   2.00-3.00   sec   107 MBytes   901 Mbits/sec
[  5]   3.00-4.00   sec   107 MBytes   894 Mbits/sec
[  5]   4.00-5.00   sec   104 MBytes   870 Mbits/sec
[  5]   5.00-6.00   sec   101 MBytes   848 Mbits/sec
[  5]   6.00-7.00   sec   107 MBytes   899 Mbits/sec
[  5]   7.00-8.00   sec   107 MBytes   901 Mbits/sec
[  5]   8.00-9.00   sec   107 MBytes   901 Mbits/sec
[  5]   9.00-10.00  sec  98.1 MBytes   823 Mbits/sec
[  5]  10.00-10.04  sec  4.50 MBytes   901 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate
[  5]   0.00-10.04  sec  1.02 GBytes   872 Mbits/sec                  receiver

On bar:
% iperf3 -c 10.0.9.15
Connecting to host 10.0.9.15, port 5201
[  5] local 10.0.9.16 port 54814 connected to 10.0.9.15 port 5201
[ ID] Interval           Transfer     Bitrate         Retr  Cwnd
[  5]   0.00-1.00   sec   107 MBytes   898 Mbits/sec    0    361 KBytes
[  5]   1.00-2.00   sec  98.0 MBytes   822 Mbits/sec    0    361 KBytes
[  5]   2.00-3.00   sec   107 MBytes   901 Mbits/sec    0    361 KBytes
[  5]   3.00-4.00   sec   107 MBytes   898 Mbits/sec    0    442 KBytes
[  5]   4.00-5.00   sec   100 MBytes   840 Mbits/sec    0    465 KBytes
[  5]   5.00-6.00   sec   105 MBytes   880 Mbits/sec    0    488 KBytes
[  5]   6.00-7.00   sec   107 MBytes   897 Mbits/sec    0    513 KBytes
[  5]   7.00-8.00   sec   107 MBytes   900 Mbits/sec    0    513 KBytes
[  5]   8.00-9.00   sec   107 MBytes   901 Mbits/sec    0    513 KBytes
[  5]   9.00-10.00  sec  98.2 MBytes   823 Mbits/sec    0    513 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-10.00  sec  1.02 GBytes   876 Mbits/sec    0             sender
[  5]   0.00-10.04  sec  1.02 GBytes   872 Mbits/sec                  receiver

iperf Done.

On Tue, Dec 18, 2018 at 4:49 PM Kalin KOZHUHAROV <me.kalin at gmail.com> wrote:
>
>
>
> On Tue, 18 Dec 2018, 20:50 John <graysky at archlinux.us wrote:
>>
>> On bar:
>> % iperf3 -c 10.0.9.15 -B 10.0.9.16
>> iperf3: error - unable to connect to server: Connection timed outa
>
> iperf -c 10.0.9.15
>
> Also for the server, omit ipaddr, it listens to all interfaces by default.
>
> Kalin.