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

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

3. 333 © 2004, Cisco Systems, Inc. All rights reserved. Layer 2 Bridging

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

5. 555 © 2004, Cisco Systems, Inc. All rights reserved. Switch Operation

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

7. 777 © 2004, Cisco Systems, Inc. All rights reserved. Network Latency

8. 888 © 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.

9. 999 © 2004, Cisco Systems, Inc. All rights reserved. Spanning-Tree Operation

10. 10 © 2004, Cisco Systems, Inc. All rights reserved. STP States

11. 11 © 2004, Cisco Systems, Inc. All rights reserved. Types of Networks

12. 12 © 2004, Cisco Systems, Inc. All rights reserved. Collisions in Collision Domain

13. 13 © 2004, Cisco Systems, Inc. All rights reserved. Collision Domain Segmentation

14. 14 © 2004, Cisco Systems, Inc. All rights reserved. Increasing a Collision Domain

15. 15 © 2004, Cisco Systems, Inc. All rights reserved. Four Repeater Rule

16. 16 © 2004, Cisco Systems, Inc. All rights reserved. Round-Trip Delay Calculation

17. 17 © 2004, Cisco Systems, Inc. All rights reserved. Layer 1 Devices Extend Collision Domains

18. 18 © 2004, Cisco Systems, Inc. All rights reserved. Limiting the Collision Domains

19. 19 © 2004, Cisco Systems, Inc. All rights reserved. Segmenting a Collision Domain with a Bridge

20. 20 © 2004, Cisco Systems, Inc. All rights reserved. Broadcasts in a Bridged Environment

21. 21 © 2004, Cisco Systems, Inc. All rights reserved. Effects of Broadcast Radiation on Hosts in a IP Network

22. 22 © 2004, Cisco Systems, Inc. All rights reserved. Average Number of Broadcasts and Multicasts for IP

23. 23 © 2004, Cisco Systems, Inc. All rights reserved. Broadcast Domain Segmentation

24. 24 © 2004, Cisco Systems, Inc. All rights reserved. Data Flow Through a Network

25. 25 © 2004, Cisco Systems, Inc. All rights reserved. Segments

26. 26 © 2004, Cisco Systems, Inc. All rights reserved. Summary