This speedtest server is located at the Serverius DataCenter1, AS50673 and is running on a 10GE connection.
iperf -c speedtest1.serverius.net -P 10 (for IPv4) iperf -c speedtest1.serverius.net -V -P 10 (for IPv6)Also you can use IPERFv3 (client sends, server receives)
iperf3 -c speedtest1.serverius.net -p 5002 -P 10 -4 (for IPv4) iperf3 -c speedtest1.serverius.net -p 5002 -P 10 -6 (for IPv6)( -R reverse mode (server sends, client receives)
iperf3 -c speedtest1.serverius.net -p 5002 -P 10 -4 -R (for IPv4) iperf3 -c speedtest1.serverius.net -p 5002 -P 10 -6 -R (for IPv6)
wget -4 -O /dev/null http://speedtest1.serverius.net/files/2000mb.bin (for IPv4) wget -6 -O /dev/null http://speedtest1.serverius.net/files/2000mb.bin (for IPv6)