On Sun, 19 Jan 2020 at 18:17, Jason Mitchell <jmitc...@bigjar.com> wrote: > ... > > First, Powerline adapters only get 1/7th the advertised speed. They send > “1Gigabit” of data, but they’re really sending ~130Mbit of the same data 7 > times because of how noisy power cabling is.
Yes, I am aware - that's around what I am getting here. I have another W10 machine on the same switch as the NetBSD box I did the tests with. > > Second, try adding -l 9000 to your iperf3 tests. The Linux distributions I’ve > used have this as the default and I’ve noticed big speed improvements doing > this, but I have no clue why it works. Yes, this appears to improve the speed a bit more - now I am getting Connecting to host ymir, port 5201 [ 4] local 192.168.0.36 port 1236 connected to 192.168.0.29 port 5201 [ ID] Interval Transfer Bandwidth [ 4] 0.00-1.00 sec 107 MBytes 901 Mbits/sec [ 4] 1.00-2.00 sec 111 MBytes 934 Mbits/sec [ 4] 2.00-3.00 sec 103 MBytes 867 Mbits/sec [ 4] 3.00-4.00 sec 84.7 MBytes 710 Mbits/sec [ 4] 4.00-5.00 sec 89.5 MBytes 751 Mbits/sec [ 4] 5.00-6.00 sec 86.6 MBytes 727 Mbits/sec [ 4] 6.00-7.00 sec 103 MBytes 864 Mbits/sec [ 4] 7.00-8.00 sec 110 MBytes 919 Mbits/sec [ 4] 8.00-9.00 sec 109 MBytes 917 Mbits/sec [ 4] 9.00-10.00 sec 108 MBytes 903 Mbits/sec - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bandwidth [ 4] 0.00-10.00 sec 1013 MBytes 849 Mbits/sec sender [ 4] 0.00-10.00 sec 1012 MBytes 849 Mbits/sec receiver iperf Done. > > Thanks, > > Jason M. > > Sent from my iPhone -- ----
