Chapter 10. PPP CORE PROTOCOLS: LINK CONTROL, NETWORK CONTROL, AND AUTHENTICATION

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This chapter describes the protocols responsible for PPP link setup and basic operation, including Link Control Protocol (LCP) and the Network Control Protocols (NCPs) used to configure PPP for different layer 3 protocols. I also discuss the two PPP authentication protocols, Password Authentication Protocol (PAP) and Challenge Handshake Authentication Protocol (CHAP), which are used to provide authentication during link setup.

Link Control Protocol (LCP)

Of all the PPP suite protocols, LCP is the most important. It is responsible for PPP's overall successful operation, ...

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