Chapter 13
Network Address Translation (NAT)
THE FOLLOWING ICND1 EXAM TOPICS ARE COVERED IN THIS CHAPTER:
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
In this chapter, we’re going to dig into Network Address Translation (NAT), Dynamic NAT, and Port Address Translation (PAT), also known as NAT Overload. Of course, I’ll demonstrate all the NAT commands. I also provided some fantastic hands-on labs for you to configure at the end of this chapter, so be sure not to miss those!
It’s important to understand the Cisco objectives for this chapter. They are very straightforward: you have hosts on your inside Corporate network using RFC 1918 addresses and you need to allow those hosts access to the Internet by configuring NAT translations. With that objective in mind, that will be my direction with this chapter.
Because we’ll be using ACLs in our NAT configurations, it’...