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CCNA 4 v3.0 Module 3 PPP

CCNA 4 v3.0 Module 3 PPP. Purpose of This PowerPoint. This PowerPoint primarily consists of the Target Indicators (TIs) of this module in CCNA version 3.0. It was created to give instructors a PowerPoint to take and modify as their own. This PowerPoint is:

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CCNA 4 v3.0 Module 3 PPP

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  1. CCNA 4 v3.0 Module 3 PPP

  2. Purpose of This PowerPoint • This PowerPoint primarily consists of the Target Indicators (TIs) of this module in CCNA version 3.0. • It was created to give instructors a PowerPoint to take and modify as their own. • This PowerPoint is: • NOT a study guide for the module final assessment. • NOT a study guide for the CCNA certification exam. • Please report any mistakes you find in this PowerPoint by using the Academy Connection Help link.

  3. To Locate Instructional Resource Materials on Academy Connection: • Go to the Community FTP Center to locate materials created by the instructor community • Go to the Tools section • Go to the Alpha Preview section • Go to the Community link under Resources • See the resources available on the Class home page for classes you are offering • Search http://www.cisco.com • Contact your parent academy!

  4. Objectives • Serial point-to-point links • PPP authentication • Configuring PPP

  5. Introduction to Serial Communication Some of the many serial communications standards include the following: RS-232-EV.35High-Speed Serial Interface (HSSI)

  6. Time-Division Multiplexing

  7. Demarcation Point The point in the network where the responsibility of the service provider or "telco" ends.

  8. DTE-DCE

  9. Serial Connection Options

  10. HDLC Encapsulation

  11. Configuring HDLC Encapsulation

  12. Troubleshooting a Serial Interface • Five possible problem states can be identified in the interface status line of the show interface serial display: • Serial x is down, line protocol is down. • Serial x is up, line protocol is down. • Serial x is up, line protocol is up (looped). • Serial x is up, line protocol is down (disabled). • Serial x is administratively down, line protocol is down.

  13. PPP Layered Architecture

  14. PPP and the DataLink Layer

  15. PPP and the Network Layer

  16. Establishing a PPP Session

  17. PPP Operation

  18. LCP Options

  19. PPP Configuration Options

  20. NCP

  21. PPP Authentication Protocols

  22. PPP Authentication

  23. Password Authentication Protocol (PAP)

  24. Challenge Handshake Authentication Protocol (CHAP) CHAP provides protection against playback attack through the use of a variable challenge value that is unique and unpredictable.

  25. PPP Encapsulation and Authentication Process

  26. CHAP Authentication Process

  27. Configuring PPP

  28. Configuring PPP Authentication

  29. PAP Configuration

  30. CHAP Configuration

  31. Verifying PPP

  32. PPP Configuration Commands

  33. Debug PPP Authentication

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