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TCP/IP Guide by Charles M. Kozierok

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Chapter 63. DHCP MESSAGING, MESSAGE TYPES, AND FORMATS

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The preceding chapter on DHCP configuration and operation demonstrated how DHCP works by showing the various leasing and information-exchange processes. All of these procedures rely heavily on the exchange of information between the client and server, which is accomplished through DHCP messages. Like all protocols, DHCP uses a special message format and a set of rules that govern how messages are created, addressed, and transported.

In this chapter, I provide the details of how DHCP creates and sends messages, and show the formats used for DHCP messages and options. I begin with a description ...

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