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Point-to-Point Access: PPP

Point-to-Point Access: PPP

Point-to-Point Access: PPP. PPP.

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438 views • 27 slides
11-6 HDLC

11-6 HDLC

High-level Data Link Control (HDLC) is a bit-oriented protocol for communication over point-to-point and multipoint links. It implements the ARQ mechanisms. 11-6 HDLC. Configuration and Transfer Modes. Figure 11.25 Normal response mode. Figure 11.26 Asynchronous balanced mode.

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697 views • 22 slides
Authentication servers: RADIUS TACACS+

Authentication servers: RADIUS TACACS+

Authentication servers: RADIUS TACACS+. CS772 Fall 2007. User, through a initiates PPP authentication to the NAS. NAS prompts for username and password (if Password Authentication Protocol [PAP]) or challenge (if Challenge Handshake Authentication Protocol [CHAP]). User replies.

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871 views • 17 slides
Chapter 12 Point-to-Point Access: PPP

Chapter 12 Point-to-Point Access: PPP

Chapter 12 Point-to-Point Access: PPP. Point-to-Point protocol PPP stack. Point-to-Point Protocol: PPP. Many Internet users use telephone lines to connect home computers to Internet providers A point-to-point link protocol is required to control and manage the transfer of data PPP defines

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593 views • 17 slides
PPP Protocol

PPP Protocol

PPP Protocol. PPP Stack -Establish a link (Link Control Protocol) -Authenticate Parties involved (Authentication Protocols) -Carry Network Layer (Network Control Protocol). Link Control Protocol (LCP). Establishing a link Maintaining a link Configuring a link Terminating links

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371 views • 15 slides

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