1. Point to Point Protocol Operation

2. Point to Point Protocol Protocol Layers of PPP –Physical Layer –Data Link Layer – HDLC derivative –Other protocols used by PPP LCP – Link control protocol NCP Network control protocol PAP – Password Authentication protocol CHAP – challenge handshake Authentication protocol

3. Point to Point Protocol PPP frame

4. Point to Point Protocol LCP – Link Control Protocol –Establish, configure, maintain and terminate links –Negotiate options across end points – max receive unit, authentication, compression –Protocol id C021(hex)

5. Point to Point Protocol LCP – Link Control Protocol field Code : type of LCP packet –Configure request –Ack, nak, reject ID – match request and reply Length Information