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CCNA 5.0 Planning Guide Chapter 3: Point-to-Point Connections Presentation_ID 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 1 Chapter 3: Objectives In this chapter, you will be able to: Explain the fundamentals of point-to-point serial communication across a WAN. Configure HDLC encapsulation on a point-to-point serial link. Describe the benefits of using PPP over HDLC in a WAN. Describe the PPP layered architecture and the functions of LCP and NCP. Explain how a PPP session is established.

Configure PPP encapsulation on a point-to-point serial link. Configure PPP authentication protocols. Use show and debug commands to troubleshoot PPP. Presentation_ID 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 2 Chapter 3: Overview This chapter covers the terms, technology, and protocols used in serial connections. The HDLC and Point-to-Point Protocols (PPP) are introduced. PPP is a protocol that is able to handle authentication, compression, error detection, monitor link quality, and logically bundles multiple serial connections together to share the load. Presentation_ID

2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 3 Chapter 3: Activities What activities are associated with this chapter? 3.0.1.2 Class Activity PPP Persuasion 3.1.1.11 Activity - Identify the Serial Communications Terminology 3.1.2.6 Syntax Checker Troubleshooting a Serial Interface 3.1.2.7 Packet Tracer Troubleshooting Serial Interfaces 3.2.2.5 Activity Identify PPP Features and Operations 3.2.3.6 Activity Identify the Steps in the LCP Link Negotiation Process 3.3.1.4 Syntax Checker PPP Link Quality Monitoring Command 3.3.2.6 Syntax Checker PAP and CHAP Authentication Configuration 3.3.2.7 Packet Tracer Configuring PAP and CHAP Authentication 3.3.2.8 Lab Configuring Basic PPP with Authentication Presentation_ID

2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 4 Chapter 3: Activities (cont.) What activities are associated with this chapter? 3.4.1.4 Packet Tracer Troubleshooting PPP with Authentication 3.4.1.5 Lab Troubleshooting Basic PPP with Authentication 3.5.1.1 Class Activity PPP Validation 3.5.1.2 Packet Tracer Skills Integration Challenge Presentation_ID 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 5

Chapter 3: Packet Tracer Activity Password The password for all the Packet Tracer activities in this chapter is: PT_ccna5 Presentation_ID 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 6 Chapter 3: Assessment Students should complete the Chapter 3 Exam after completing Chapter 3. Worksheets, labs and quizzes can be used to informally assess student progress. Presentation_ID 2008 Cisco Systems, Inc. All rights reserved.

Cisco Confidential 7 Chapter 3: New Terms What terms and commands are introduced in this chapter? 3.1.1.1 3.1.1.2 3.1.1.4 3.1.1.5 3.1.1.6 3.1.1.7 Presentation_ID Point-to-point Connection Serial Communication Parallel Communication RS-232 V.35

HSSI Multiplexing Time-division Multiplexing Multiplexer Statistical Time-division Multiplexing Synchronous Optical Network (SONET) Synchronous Digital Hierarchy (SDH) Local Loop Customer Premises Equipment (CPE) Demarcation Point CSU/DSU Network Terminating Unit (NTU) 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 8 Chapter 3: New Terms (cont.) What terms and commands are introduced in this chapter? 3.1.1.8

DTE DCE Electronics Industry Association (EIA) International Telecommunication Union Telecommunications Standardization Sector (ITU-T) 3.1.1.9 null modem DB9 DB60 EIA/TIA-232 EIA/TIA-449 X.21 EIA/TIA-530 Smart serial cable 3.1.1.10 DS0, DS1, etc. T1/T3 E1/E3 OC-X Presentation_ID 2008 Cisco Systems, Inc. All rights reserved.

Cisco Confidential 9 Chapter 3: New Terms (cont.) What terms and commands are introduced in this chapter? 3.1.2.1 3.1.2.3 3.1.2.5 3.2.1.1 Presentation_ID HDLC PPP Serial Line Internet Protocol (SLIP) X.25/Link Access Procedure Balanced (LAPB) Frame Relay PAP CHAP

ATM Circuit-switched Packet-switched Information Frames (I-frames) Supervisory Frames (S-frames) Unnumbered Frames (U-frames) show controllers serial command Link Control Protocol (LCP) Network Control Protocols (NCPs) IPv4, IPv6, Novell IPX, AppleTalk Control Protocol 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 10 Chapter 3: New Terms (cont.) What terms and commands are introduced in this chapter? 3.2.1.2 3.2.2.4 3.2.3.1

3.2.3.2 3.2.3.3 Presentation_ID Password Authentication Protocol (PAP) Challenge Handshake Authentication Protocol (CHAP) Frame Check Sequence (FCS) Link Establishment And Configuration Negotiation Link Quality Determination Network Layer Protocol Configuration Negotiation Configure-Request Configure-Ack Configure-Nak Configure-Reject Code-Reject Protocol-Reject Echo-Request Echo-Reply Discard-Request Terminate-Request Terminate-Ack

Code Identifier 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 11 Chapter 3: New Terms (cont.) What terms and commands are introduced in this chapter? 3.2.3.4 3.3.1.1 3.3.1.2 3.3.1.3 3.3.1.4 3.3.1.5 3.3.1.6 3.3.2.2 3.3.2.3 3.3.2.5 3.3.2.6 Presentation_ID

Compression Multilink Stacker Predictor Error Detection Magic Number PPP Callback encapsulation ppp command compress predictor command ppp quality percentage command interface multilink 1 command ppp multilink command ppp multilink group 1 command show ppp multilink command ppp authentication pap command Message Digest 5 (MD5) ppp authentication chap command username name password password command 2008 Cisco Systems, Inc. All rights reserved.

Cisco Confidential 12 Chapter 3: New Terms (cont.) What terms and commands are introduced in this chapter? 3.4.1.1 3.4.1.2 3.4.1.3 Presentation_ID debug debug debug debug debug ppp ppp ppp ppp

ppp command packet command negotiation command error command authentication command 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 13 Chapter 3: Best Practices Prior to teaching Chapter 3, the instructor should: Complete Chapter 3 Assessment. Ensure all activities are completed. This is a very important concept and hands-on time is vital. Provide the students many PPP troubleshooting activities. Encourage students to login with their cisco.com login and download http://

docwiki.cisco.com/wiki/Internetworking_Technology_Handbook Presentation_ID 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 14 Chapter 3: Additional Help For additional help with teaching strategies, including lesson plans, analogies for difficult concepts, and discussion topics, visit the CCNA Community at http://community.netacad.net/web/ccna/files. If you have lesson plans or resources that you would like to share, upload them to the CCNA Community to help other instructors. Presentation_ID 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential

15 Chapter 3: Topics Not in ICND2 200-101 This section lists topics covered by this chapter that are NOT listed in the ICND2 200-101 Blueprint. Those topics are posted at http://www.cisco.com/web/learning/exams/list/icnd1b.html. Instructors could skip these sections; however, they should provide additional information and fundamental concepts to assist the student with the topic. ALL TOPICS IN CHAPTER 3 ARE OBJECTIVES OF THE ICND2. Presentation_ID 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 16 Presentation_ID

2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 17 Presentation_ID 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 18

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