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CCNA 3 v3.0 Module 5 Switches

CCNA 3 v3.0 Module 5 Switches. Objectives. LAN design LAN switches. LAN Design Goals. Functionality Scalability Adaptability Manageability. LAN Design Considerations. The function and placement of servers Collision - detection issues Segmentation issues Broadcast domain issues.

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CCNA 3 v3.0 Module 5 Switches

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  1. CCNA 3 v3.0 Module 5 Switches

  2. Objectives • LAN design • LAN switches

  3. LAN Design Goals • Functionality • Scalability • Adaptability • Manageability

  4. LAN Design Considerations • The function and placement of servers • Collision-detection issues • Segmentation issues • Broadcast domain issues

  5. LAN Design Methodology • Gather requirements and expectations • Analyze requirements and data • Design the Layer 1, 2, and 3 LAN structure, or topology  • Document the logical and physical network implementation

  6. Layer 1 Design

  7. Typical MDF in Star Topology

  8. Extended Star Topology in a Multi-Building Campus

  9. Layer 1 Documentation Logical Diagram

  10. Cut Sheet

  11. Layer 2 Design: Developing a LAN Topology

  12. Microsegmentation of the Network

  13. Asymmetric Switching

  14. Layer 2 Switch Collision Domains

  15. Layer 3 Design

  16. Use Routers to Impose 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.

  17. Physical Network Maps

  18. Setting Up VLAN Implementation

  19. VLAN Communication

  20. Access Layer

  21. Access Layer • Functions of the Access Layer: • Shared Bandwidth • Switched Bandwidth • MAC Layer Bandwidth • Microsegmentation

  22. Access Layer Switches • Catalyst 1900 series • Catalyst 2820 series • Catalyst 2950 series • Catalyst 4000 series • Catalyst 5000 series

  23. Distribution Layer

  24. Distribution Layer • In a switched network, the distribution layer includes several functions such as the following: • Aggregation of the wiring-closet connections • Broadcast/multicast domain definition • VLAN routing • Any media transitions that need to occur • Copper to fiber • Security

  25. Cisco Catalyst 2926G Cisco Catalyst 6000 Family Distribution Layer Switches <not pictured> Cisco Catalyst 5000 Family

  26. Core Layer The core layer is a high-speed switching backbone. The core layer should be designed to switch packets as fast as possible.

  27. IGX 8400 series Catalyst 8500 series Lightstream 1010 Core Layer Switches <not pictured> Catalyst 6500 series

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