https://speedtest.wtnet.de/
iperf3 -P 50 -c '213.209.106.95' -u -p '5200'
iperf3 -P 50 -c '213.209.106.95' -u -p '5201'
iperf3 -P 50 -c '213.209.106.95' -u -p '5202'
iperf3 -P 50 -c '213.209.106.95' -u -p '5203'
iperf3 -P 50 -c 'speedtest.wtnet.de' -u -p '5200' -6
iperf3 -P 50 -c 'speedtest.wtnet.de' -u -p '5201' -6
iperf3 -P 50 -c 'speedtest.wtnet.de' -u -p '5202' -6
iperf3 -P 50 -c 'speedtest.wtnet.de' -u -p '5203' -6
wget -4 -O /dev/null
http://speedtest.wtnet.de/files/100mb.bin
wget -6 -O /dev/null
http://speedtest.wtnet.de/files/100mb.bin
