The 1.4.1 version of iPerf2 for Mac is provided as a free download on our website. The program relates to Internet & Network Tools. This Mac application was originally designed by AccessAgility.
From the developer:
iPerf2 is a bandwidth performance measurement app for iOS and Mac OS. The app can operate as a client and/or server. iPerf2 can be used for Mac OS-to-Mac OS testing, Mac OS-to-iOS testing or iOS-to-Mac OS testing. iPerf2 should work with other operating systems that support iPerf2 .x
You may want to check out more software for Mac, such as ZOC Terminal, VisualRoute or AutomountMaker, which might be similar to iPerf2.