Point-to-Point Protocol (PPP) defines a data-link protocol with many features besides just helping two devices send data over the link

It includes the following topics -

• PPP basics and the PPP protocol field
• PPP Link Control Protocol LCP
• Looped link detection and enhanced Error Detection
• PPP multilink authentication and configuration
• PAP and CHAP configuration and verification
• Keepalive Failure
• PAP and CHAP Authentication Failure