Week 12: The Point-to-Point Protocol (PPP) and The Layer 2 Tunneling Protocol (L2TP):

In-troduction to PPP. PPP and Associated Protocols. Major Functions of LCP. HDLC Formats. Key Terms. PPP Frame Format. Auto-Detect Operations. The PPP Phases. Link Dead (physical layer not ready). Link Establishment Phase. Authentication Phase. Network Layer Protocol Phase. Link Termination Phase. The PPP Protocol Data Unit