iperf3 is a network throughput tool used to measure the performance of the network your Mac is using. Here's how to use it in the macOS Terminal app. iperf is a UNIX memory, network throughput, and ...
./iperf3 -c 127.0.0.1 Connecting to host 127.0.0.1, port 5201 [ 4] local 127.0.0.1 port 61107 connected to 127.0.0.1 port 5201 [ ID] Interval Transfer Bandwidth [ 4] 0.00-1.00 sec 6.00 GBytes 51.6 ...