iperf3 is available for all kinds of operating systems. The download page is on their official homepage. I'll use Linux as a reference for the server and client. Basic usage iperf3 is a tool to measure the throughput between hosts in a network and can test TCP, UDP, and SCPT, whereby TCP is the default. iperf3 must be installed and active on two hosts in which one host acts as a server and the other one as a client. By default, you measure the upload from the client to the server, but you can...
