Getting Started with BIG-IP Carrier-Grade NAT (CGNAT) big-ip hardware carrier-grade nat viprion chassis virtual edition This course introduces you to network address translation at service-provider scale in three lessons. After a brief introduction to BIG-IP Carrier-Grade NAT, lesson one gives you an overview of network address translation concepts. In lesson two you configure BIG-IP CGNAT to use NAT44 to provide basic e-mail and Web connectivity to subscribers while conserving IPv4 public addresses, and in lesson three you learn how to use application layer gateways to overcome a common shortcoming of large-scale network address translation. (Run time is approximately 25 minutes.) To access any of the Getting Started courses, go to F5 University. If you have not visited F5 University before, click on Register for an Account and fill in the required information. An account will be setup immediately. After logging in, click on the F5 University link on the left and then click on the link to the F5 Getting Started Series. Go to F5 Getting Started Series.