This document is a PowerPoint presentation about Ethernet fundamentals that was created for instructors to modify for their own use. It covers topics such as Ethernet naming rules, frame structures, MAC addressing, error handling, auto-negotiation, and transmission priority. The presentation provides information on the key concepts but is not intended as a study guide for assessments.

1. CCNA 1 v3.1 Module 6
Ethernet Fundamentals
© 2004, Cisco Systems, Inc. All rights reserved. 1

2. Purpose of This PowerPoint
• This PowerPoint primarily consists of the Target
Indicators (TIs) of this module in CCNA version
3.1.
• 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.
© 2004, Cisco Systems, Inc. All rights reserved. 2

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!
© 2004, Cisco Systems, Inc. All rights reserved. 3

4. Objectives
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5. Introduction to Ethernet
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6. IEEE Ethernet Naming Rules
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7. Ethernet and the OSI Model
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8. Ethernet and the OSI Model
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9. Ethernet and the OSI Model
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10. Ethernet and the OSI Model
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11. Ethernet and the OSI Model
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12. Naming
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13. Naming
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14. Layer 2 Framing
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15. Layer 2 Framing
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16. Ethernet Frame Structures
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17. Ethernet Frame Structures
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18. Ethernet Frame Structures
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19. Ethernet Frame Fields
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20. Ethernet Frame Fields
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21. Media Access Control (MAC)
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22. MAC Rules and Collision Detection/Backoff
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23. MAC Rules and Collision Detection/Backoff
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24. Ethernet Timing
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25. Interframe Spacing and Backoff
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26. Interframe Spacing and Backoff
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27. Error Handling
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28. Types of Collisions
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29. Types of Collisions
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30. Ethernet Errors
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31. Ethernet Errors
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32. FCS Errors
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33. Ethernet Auto-Negotiation
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34. Ethernet Auto-Negotiation
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35. Transmission Priority Rank
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36. Summary
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