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VLANs

This chapter explains the role of VLANs and trunking VLANs in a converged network. It provides guidance on configuring VLANs on switches and troubleshooting common misconfigurations associated with VLANs. The chapter also covers the different types of VLANs, VLAN port membership modes, managing broadcast domains with VLANs, and how trunks work in a converged network.

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VLANs

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  1. VLANs LAN Switching and Wireless– Chapter 3

  2. Objectives • Explain the role of VLANs in a converged network. • Explain the role of trunking VLANs in a converged network. • Configure VLANs on the switches in a converged network topology. • Troubleshoot the common software or hardware misconfigurations associated with VLANs on switches in a converged network topology.

  3. Explain the Role of VLANs in a Converged Network • Explain the role of VLANs in a converged network

  4. Explain the Role of VLANs in a Converged Network • Describe the different types VLANs

  5. Explain the Role of VLANs in a Converged Network • Describe the VLAN port membership modes

  6. Explain the Role of VLANs in a Converged Network • Describe how to manage broadcast domains with VLANs

  7. Explain the Role of Trunking VLANs in a Converged Network • Explain the role of a trunk when using multiple VLANs in a converged network

  8. Explain the Role of Trunking VLANs in a Converged Network • Describe how a trunk works

  9. Explain the Role of Trunking VLANs in a Converged Network • Describe the switch port trunking modes

  10. Configure VLANs on the Switches in a Converged Network Topology • Describe the steps to configure trunks and VLANs

  11. Configure VLANs on the Switches in a Converged Network Topology • Describe the Cisco IOS commands used to create a VLAN on a Cisco Catalyst switch

  12. Configure VLANs on the Switches in a Converged Network Topology • Describe the Cisco IOS commands used to manage VLANs on a Cisco Catalyst switch

  13. Configure VLANs on the Switches in a Converged Network Topology • Describe the Cisco IOS commands used to create a trunk on a Cisco Catalyst switch

  14. Troubleshoot Common Software or Hardware Misconfigurations Associated with VLANs • Describe the common problems with VLANs and trunks

  15. Troubleshoot Common Software or Hardware Misconfigurations Associated with VLANs • Describe the common problems with VLANs and trunks

  16. Troubleshoot Common Software or Hardware Misconfigurations Associated with VLANs • Describe how to use the troubleshooting procedure to fix a common problem with VLAN configurations

  17. Summary • VLANS Allows an administrator to logically group devices that act as their own network Are used to segment broadcast domains Some benefits of VLANs include Cost reduction, security, higher performance, better management

  18. Summary • Types of Traffic on a VLAN include • Data • Voice • Network protocol • Network management • Communication between different VLANs requires the use of • Routers

  19. Summary • Trunks A common conduit used by multiple VLANS for intra-VLAN communication • EEE 802.1Q The standard trunking protocol Uses frame tagging to identify the VLAN to which a frame belongs Does not tag native VLAN traffic

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