Iperf

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