Apple Resources - iperf3
http://edu-observatory.org/olli/Apple_Resources/iperf3.html

In Mac's Terminal (Finder > Applications > Utilities > Terminal)

1. Install Homebrew
   bash
   /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"   
  
2. Install iperf3 (using Homebrew) 
   brew install iperf3 
  
3. Using iperf3  
   Man page for iperf3
   man iperf3
   Check my bandwidth 
   iperf3 -c speedtest.chi11.us.leaseweb.net -p 5201-5210 -R
   iperf3 -c speedtest.chi11.us.leaseweb.net -p 5201-5210
   iperf3 -c speedtest15.suddenlink.net -R
   iperf3 -c speedtest15.suddenlink.net


   
   

 
    sam.wormley@gmail.com