CCENT/CCNA ICND1 100-105 Official Certification Guide, First Edition

Chapter 27. Network Address Translation

This chapter covers the following exam topics:

1.0 Network Fundamentals

1.10 Describe the need for private IPv4 addressing

4.0 Infrastructure Services

4.7 Configure, verify, and troubleshoot inside source NAT

4.7.a Static

4.7.b Pool

4.7.c PAT

This last of the chapters about IPv4 topics looks at a very popular and very important part of both enterprise and small office/home office (SOHO) networks: Network Address Translation, or NAT. NAT helped solve a big problem with IPv4: The IPv4 address space would have been completely consumed by the mid-1990s. After it was consumed, the Internet could not continue to grow, which would have significantly slowed the development of the Internet.

This chapter actually ...