iperf is a tool for performing network throughput measurements under Linux or Unix operating systems. It can test either TCP or UDP throughput. To perform an iperf test the user must establish both a server (to discard traffic) and a client (to generate traffic).Read answer to: "Linux / Unix: Test Internet Connection Speed From Console Over SSH Command Line"
Linux Command: Internet Upload / Download Throughput Rate Test
by Nix Craft on December 14, 2012· LAST UPDATED December 14, 2012