Introduction
============
-This tutorial shows how to use VPP use iperf3 and Trex to get some basic performance
+This tutorial shows how to use VPP use iperf3 and TRex to get some basic performance
numbers from a few basic configurations. Four examples are shown. In the first two
examples, the **iperf3** tool is used to generate traffic, and in the last two examples
the Cisco's `TRex Realistic Traffic Generator <http://trex-tgn.cisco.com/>`_ is used. For