Iperf
From DikapediaV2
https://www.slashroot.in/iperf-how-test-network-speedperformancebandwidth
https://aws.amazon.com/premiumsupport/knowledge-center/network-throughput-benchmark-linux-ec2/
How to test network bandwidth
To test your uplink speed, you can you utility such as the iperf3 utility as follows:
1) on the listener/destination:
iperf3 -s -p 1500
2) On source run:
iperf3 -i 10 -c Vanilla_linux_server_ip -p 1500 -t 60 > iperf60.log iperf3 -i 10 -c Vanilla_linux_server_ip -p 1500 -t 1800 > iperf1800.log