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Point to Point Protocol

Point to Point Protocol

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Point to Point Protocol

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Presentation Transcript

  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