What is “tcpreplay” Package?

Replay saved tcpdump files at arbitrary speeds
For more details: http://tcpreplay.appneta.com

Installation

• Open Terminal by pressing command+space then type terminal and hit Enter key.
• Install homebrew first.

  ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null

• Install tcpreplay.

  brew install tcpreplay

Now, use tcpreplay!