Download the Packet Tracer 6.3 file in the video at:
http://danscourses.com/configure-nat-... - In Part 1, I cover all of the basics regarding NAT and how to configure it for the CCENT and CCNA certification exams. The video demonstrates static NAT translation, and port forwarding.
In Part 2, I cover NAT overload (PAT), and dynamic NAT with NAT pools.