Speed test on any port

#Server
sudo iperf3 -s -p 443
#Client
sudo iperf3 -c 192.168.9.242 -p 443

#Linksys EA6300
[ ID] Interval           Transfer     Bandwidth       Retr
[  4]   0.00-10.00  sec   248 MBytes   208 Mbits/sec    0             sender
[  4]   0.00-10.00  sec   248 MBytes   208 Mbits/sec                  receiver

iperf Done.
sarayut@HP-PAX:~$ ping 192.168.9.242
PING 192.168.9.242 (192.168.9.242) 56(84) bytes of data.
64 bytes from 192.168.9.242: icmp_seq=1 ttl=64 time=1.18 ms
64 bytes from 192.168.9.242: icmp_seq=2 ttl=64 time=1.11 ms
64 bytes from 192.168.9.242: icmp_seq=3 ttl=64 time=1.52 ms
64 bytes from 192.168.9.242: icmp_seq=4 ttl=64 time=1.35 ms

#Powerline
[ ID] Interval           Transfer     Bandwidth       Retr
[  4]   0.00-10.00  sec  42.4 MBytes  35.5 Mbits/sec    0             sender
[  4]   0.00-10.00  sec  42.4 MBytes  35.5 Mbits/sec                  receiver

iperf Done.
sarayut@HP-PAX:~$ ping 192.168.9.242
PING 192.168.9.242 (192.168.9.242) 56(84) bytes of data.
64 bytes from 192.168.9.242: icmp_seq=1 ttl=64 time=3.75 ms
64 bytes from 192.168.9.242: icmp_seq=2 ttl=64 time=3.96 ms
64 bytes from 192.168.9.242: icmp_seq=3 ttl=64 time=3.89 ms