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This chapter provides a comprehensive overview of the Point-to-Point Protocol (PPP), detailing its frame format, transition states, and key components such as the Link Control Protocol (LCP) and various authentication protocols like PAP and CHAP. It explains the encapsulation of LCP and IPCP packets within PPP frames, alongside tables showcasing LCP packet codes and common options. The chapter elucidates the role of network control protocols (NCP) and bit padding in digital signaling. It also presents real-world examples for better comprehension of PPP functionality.
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Chapter 12 Point-to-PointAccess: PPP
12.1 Point-To-Point Protocol Frame Format Transition States
12.2 PPP Stack Link Control Protocol (LCP) Authentication Protocols Network Control Protocol (NCP) Bit Padding Digital Signals (DS) Services