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Ch 16

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Transcript

  • 1. Chapter 16 Connecting LANs, Backbone Networks, and Virtual LANs
  • 2. 16.1 Connecting Devices Repeaters Hubs Bridges Two-Layer Switches
  • 3. Figure 16.1 Connecting devices
  • 4. Figure 16.2 Repeater
  • 5. A repeater connects segments of a LAN. Note :
  • 6. A repeater forwards every frame; it has no filtering capability. Note :
  • 7. A repeater is a regenerator, not an amplifier. Note :
  • 8. Figure 16.3 Function of a repeater
  • 9. Figure 16.4 Hubs
  • 10. A bridge has a table used in filtering decisions. Note :
  • 11. Figure 16.5 Bridge
  • 12. A bridge does not change the physical (MAC) addresses in a frame. Note :
  • 13. Figure 16.6 Learning bridge
  • 14. Figure 16.7 Loop problem
  • 15. Figure 16.8 Prior to spanning tree application
  • 16. Figure 16.9 Applying spanning tree
  • 17. Figure 16.10 Forwarding ports and blocking ports
  • 18. 16.2 Backbone Networks Bus Backbone Star Backbone Connecting Remote LANs
  • 19. In a bus backbone, the topology of the backbone is a bus. Note :
  • 20. Figure 16.11 Bus backbone
  • 21. In a star backbone, the topology of the backbone is a star; the backbone is just one switch. Note :
  • 22. Figure 16.12 Star backbone
  • 23. Figure 16.13 Connecting remote LANs
  • 24. A point-to-point link acts as a LAN in a remote backbone connected by remote bridges. Note :
  • 25. 16.3 Virtual LANs Membership Configuration IEEE Standard Advantages
  • 26. Figure 16.14 A switch connecting three LANs
  • 27. Figure 16.15 A switch using VLAN software
  • 28. Figure 16.16 Two switches in a backbone using VLAN software
  • 29. VLANs create broadcast domains. Note :

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