6. System Configuration: DHCP and Autoconfiguration

6.1. Introduction

To make use of the TCP/IP protocol suite, each host and router requires a certain amount of configuration information. Configuration information is used to assign local names to systems, and identifiers (such as IP addresses) to interfaces. It is also used to either provide or make use of various network services, such as the Domain Name System (DNS) and Mobile IP home agents. Over the years there have been many ways of providing and obtaining this information, but fundamentally there are three approaches: type in the information by hand, have a system obtain it using a network service, or use some sort of algorithm to automatically determine it. We shall explore each of these ...

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