CCNA 3 Chapter 6   Switches By Your Name
Objectives <ul><li>LAN design </li></ul><ul><li>LAN switches </li></ul>
LAN Design Goals <ul><li>Functionality </li></ul><ul><li>Scalability  </li></ul><ul><li>Adaptability  </li></ul><ul><li>Ma...
LAN Design Considerations <ul><li>The function and placement of servers  </li></ul><ul><li>Collision - detection issues  <...
LAN Design Methodology <ul><li>Gather requirements and expectations  </li></ul><ul><li>Analyze requirements and data  </li...
Layer 1 Design
Typical MDF in Star Topologies
Layer 1 Documentation
Layer 2 Design
LAN Topology
Microsegmentation
Asymmetric Switching
Layer 3 Design
Logical Structure Routers provide scalability because they serve as firewalls for broadcasts. They can also provide scalab...
Physical Network Maps
VLAN Communication
LAN Switches
Access Layer Shared bandwidth Switched bandwidth MAC layer bandwidth Microsegmentation
Access Layer Switches <ul><li>Catalyst 1900 series  </li></ul><ul><li>Catalyst 2820 series  </li></ul><ul><li>Catalyst 295...
Distribution Layer <ul><li>Aggregation of the wiring - closet connections </li></ul><ul><li>Broadcast/multicast domain def...
Distribution Layer Switches <ul><li>Catalyst 2926G  </li></ul><ul><li>Catalyst 5000 family  </li></ul><ul><li>Catalyst 600...
Core Layer The core layer is a high-speed switching backbone. The core layer should be designed to switch packets as fast ...
Core Layer Switches <ul><li>Catalyst 6500 series   </li></ul><ul><li>Catalyst 8500 series   </li></ul><ul><li>IGX 8400 ser...
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Capa acceso dis

  1. 1. CCNA 3 Chapter 6 Switches By Your Name
  2. 2. Objectives <ul><li>LAN design </li></ul><ul><li>LAN switches </li></ul>
  3. 3. LAN Design Goals <ul><li>Functionality </li></ul><ul><li>Scalability </li></ul><ul><li>Adaptability </li></ul><ul><li>Manageability </li></ul>
  4. 4. LAN Design Considerations <ul><li>The function and placement of servers </li></ul><ul><li>Collision - detection issues </li></ul><ul><li>Segmentation issues </li></ul><ul><li>Broadcast domain issues </li></ul>
  5. 5. LAN Design Methodology <ul><li>Gather requirements and expectations </li></ul><ul><li>Analyze requirements and data </li></ul><ul><li>Design the Layer 1, 2, and 3 LAN structure, or topology  </li></ul><ul><li>Document the logical and physical network implementation </li></ul>
  6. 6. Layer 1 Design
  7. 7. Typical MDF in Star Topologies
  8. 8. Layer 1 Documentation
  9. 9. Layer 2 Design
  10. 10. LAN Topology
  11. 11. Microsegmentation
  12. 12. Asymmetric Switching
  13. 13. Layer 3 Design
  14. 14. Logical Structure Routers provide scalability because they serve as firewalls for broadcasts. They can also provide scalability by dividing networks into subnetworks, or subnets, based on Layer 3 addresses.
  15. 15. Physical Network Maps
  16. 16. VLAN Communication
  17. 17. LAN Switches
  18. 18. Access Layer Shared bandwidth Switched bandwidth MAC layer bandwidth Microsegmentation
  19. 19. Access Layer Switches <ul><li>Catalyst 1900 series </li></ul><ul><li>Catalyst 2820 series </li></ul><ul><li>Catalyst 2950 series </li></ul><ul><li>Catalyst 4000 series </li></ul><ul><li>Catalyst 5000 series </li></ul>
  20. 20. Distribution Layer <ul><li>Aggregation of the wiring - closet connections </li></ul><ul><li>Broadcast/multicast domain definition </li></ul><ul><li>VLAN routing </li></ul><ul><li>Any media transitions that need to occur </li></ul><ul><li>Security </li></ul>
  21. 21. Distribution Layer Switches <ul><li>Catalyst 2926G </li></ul><ul><li>Catalyst 5000 family </li></ul><ul><li>Catalyst 6000 family </li></ul>
  22. 22. Core Layer The core layer is a high-speed switching backbone. The core layer should be designed to switch packets as fast as possible.
  23. 23. Core Layer Switches <ul><li>Catalyst 6500 series </li></ul><ul><li>Catalyst 8500 series </li></ul><ul><li>IGX 8400 series </li></ul><ul><li>Lightstream 1010 </li></ul>

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