Network Address Translation and Dynamic Host Configuration Protocol
This chapter covers Network Address Translation (NAT) and Dynamic Host Configuration Protocol (DHCP). The NAT discussion covers static NAT, dynamic NAT, and Port Address Translation (PAT). DHCP covers configuring the router to forward a DHCP request and configuring a router to be a DHCP server. At the end of the chapter, there are exercises to reinforce the NAT and DHCP concepts.
NAT was implemented to deter the exhaustion of IP address space by allowing multiple private IP addresses to be represented by a small amount of public IP addresses. NAT can be useful when ...