I am having a very slow transfer speed between my android box, rpi (different OS were tested) and my centos home server when I do perf3 test.
the issue is only when android tv, andriod tablet or RPI3 in server mode during iperf3 test.
Windows 10 and centos speeds both ways are fine.
the things I have tried:
- using LAN and Wifi connection.
- Tried using speedtest-cli on RPI results
Download: 92.89 Mbit/s
Testing upload speed…
Upload: 47.98 Mbit/s
- Tested different cable and different router.
- tested with android tv box, android tablet, rpi3 box (even different flavors such as osmc, libreelec, plain debian, ubuntu server, raspian).
Connecting to host 192.168.0.129, port 5201
[ 4] local 192.168.0.167 port 35484 connected to 192.168.0.129 port 5201
[ ID] Interval Transfer Bandwidth Retr Cwnd
[ 4] 0.00-1.00 sec 287 KBytes 2.35 Mbits/sec 39 2.83 KBytes
[ 4] 1.00-2.00 sec 157 KBytes 1.29 Mbits/sec 19 5.66 KBytes
[ 4] 2.00-3.00 sec 158 KBytes 1.30 Mbits/sec 17 2.83 KBytes
[ 4] 3.00-4.00 sec 238 KBytes 1.95 Mbits/sec 19 5.66 KBytes
[ 4] 4.00-5.00 sec 153 KBytes 1.25 Mbits/sec 17 2.83 KBytes
[ 4] 5.00-6.00 sec 158 KBytes 1.30 Mbits/sec 20 2.83 KBytes
[ 4] 6.00-7.00 sec 158 KBytes 1.30 Mbits/sec 16 2.83 KBytes
[ 4] 7.00-8.00 sec 157 KBytes 1.29 Mbits/sec 20 2.83 KBytes
[ 4] 8.00-9.00 sec 156 KBytes 1.27 Mbits/sec 16 2.83 KBytes
[ 4] 9.00-10.00 sec 156 KBytes 1.27 Mbits/sec 20 2.83 KBytes
[ ID] Interval Transfer Bandwidth Retr
[ 4] 0.00-10.00 sec 1.74 MBytes 1.46 Mbits/sec 203 sender
[ 4] 0.00-10.00 sec 1.68 MBytes 1.41 Mbits/sec receiver
Iperf Centos(server) RPI (client)
Accepted connection from 192.168.0.129, port 57916
[ 5] local 192.168.0.167 port 5201 connected to 192.168.0.129 port 57918
[ ID] Interval Transfer Bandwidth
[ 5] 0.00-1.00 sec 10.8 MBytes 90.7 Mbits/sec
[ 5] 1.00-2.00 sec 11.2 MBytes 94.1 Mbits/sec
[ 5] 2.00-3.00 sec 11.2 MBytes 94.1 Mbits/sec
[ 5] 3.00-4.00 sec 11.2 MBytes 94.2 Mbits/sec
[ 5] 4.00-5.00 sec 11.2 MBytes 94.1 Mbits/sec
[ 5] 5.00-6.00 sec 11.2 MBytes 94.1 Mbits/sec
[ 5] 6.00-7.00 sec 11.2 MBytes 94.1 Mbits/sec
[ 5] 7.00-8.00 sec 11.2 MBytes 94.2 Mbits/sec
[ 5] 8.00-9.00 sec 11.2 MBytes 94.1 Mbits/sec
[ 5] 9.00-10.00 sec 11.2 MBytes 94.1 Mbits/sec
[ 5] 10.00-10.04 sec 474 KBytes 93.9 Mbits/sec
[ ID] Interval Transfer Bandwidth
[ 5] 0.00-10.04 sec 0.00 Bytes 0.00 bits/sec sender
[ 5] 0.00-10.04 sec 112 MBytes 93.8 Mbits/sec receiver