1. 1 © 2004, Cisco Systems, Inc. All rights reserved. CCNA 1 v3.1 Module 8 Ethernet Switching

2. 222 © 2004, Cisco Systems, Inc. All rights reserved. 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.

3. 333 © 2004, Cisco Systems, Inc. All rights reserved. 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.comhttp://www.cisco.com Contact your parent academy!

4. 444 © 2004, Cisco Systems, Inc. All rights reserved. Objectives

5. 555 © 2004, Cisco Systems, Inc. All rights reserved. Layer 2 Bridging

6. 666 © 2004, Cisco Systems, Inc. All rights reserved. Bridges

7. 777 © 2004, Cisco Systems, Inc. All rights reserved. Switch Operation

8. 888 © 2004, Cisco Systems, Inc. All rights reserved. Full Duplex

9. 999 © 2004, Cisco Systems, Inc. All rights reserved. Network Latency

10. 10 © 2004, Cisco Systems, Inc. All rights reserved. Switch Modes Store and Forward - A switch receives the entire frame before sending it out the destination port. Cut-Through - A switch starts to transfer the frame as soon as the destination MAC address is received.

11. 11 © 2004, Cisco Systems, Inc. All rights reserved. Spanning-Tree Operation

12. 12 © 2004, Cisco Systems, Inc. All rights reserved. STP States

13. 13 © 2004, Cisco Systems, Inc. All rights reserved. Types of Networks

14. 14 © 2004, Cisco Systems, Inc. All rights reserved. Collisions in Collision Domain

15. 15 © 2004, Cisco Systems, Inc. All rights reserved. Collision Domain Segmentation

16. 16 © 2004, Cisco Systems, Inc. All rights reserved. Increasing a Collision Domain

17. 17 © 2004, Cisco Systems, Inc. All rights reserved. Four Repeater Rule

18. 18 © 2004, Cisco Systems, Inc. All rights reserved. Round-Trip Delay Calculation

19. 19 © 2004, Cisco Systems, Inc. All rights reserved. Layer 1 Devices Extend Collision Domains

20. 20 © 2004, Cisco Systems, Inc. All rights reserved. Limiting the Collision Domains

21. 21 © 2004, Cisco Systems, Inc. All rights reserved. Segmenting a Collision Domain with a Bridge

22. 22 © 2004, Cisco Systems, Inc. All rights reserved. Broadcasts in a Bridged Environment

23. 23 © 2004, Cisco Systems, Inc. All rights reserved. Effects of Broadcast Radiation on Hosts in a IP Network

24. 24 © 2004, Cisco Systems, Inc. All rights reserved. Average Number of Broadcasts and Multicasts for IP

25. 25 © 2004, Cisco Systems, Inc. All rights reserved. Broadcast Domain Segmentation

26. 26 © 2004, Cisco Systems, Inc. All rights reserved. Data Flow Through a Network

27. 27 © 2004, Cisco Systems, Inc. All rights reserved. Segments

28. 28 © 2004, Cisco Systems, Inc. All rights reserved. Summary