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VLANs

LAN Switching and Wireless Chapter 3

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Objectives

Explain the role of VLANs in a converged network.

Explain the role of trunking VLANs in a convergednetwork.

Configure VLANs on the switches in a convergednetwork topology.

Troubleshoot the common software or hardwaremisconfigurations associated with VLANs on switchesin a converged network topology.

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Explain the Role of VLANs in aConverged Network

Explain the role of VLANs in a converged network

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Explain the Role of VLANs in aConverged Network

Describe the different types VLANs

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Explain the Role of VLANs in aConverged Network

Describe the VLAN port membership modes

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Explain the Role of VLANs in aConverged Network

Describe how to manage broadcast domains withVLANs

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Explain the Role of Trunking VLANs in aConverged Network

Explain the role of a trunk when using multiple VLANsin a converged network

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Explain the Role of Trunking VLANs in aConverged Network

Describe how a trunk works

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Explain the Role of Trunking VLANs in aConverged Network

Describe the switch port trunking modes

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Configure VLANs on the Switches in aConverged Network Topology

Describe the steps to configure trunks and VLANs

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Configure VLANs on the Switches in aConverged Network Topology

Describe the Cisco IOS commands used to create aVLAN on a Cisco Catalyst switch

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Configure VLANs on the Switches in aConverged Network Topology

Describe the Cisco IOS commands used to manageVLANs on a Cisco Catalyst switch

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Configure VLANs on the Switches in aConverged Network Topology

Describe the Cisco IOS commands used to create atrunk on a Cisco Catalyst switch

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Troubleshoot Common Software or HardwareMisconfigurations Associated with VLANs

Describe the common problems with VLANs and trunks

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Describe the common problems with VLANs and trunks

Troubleshoot Common Software or HardwareMisconfigurations Associated with VLANs

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Describe how to use the troubleshooting procedure tofix a common problem with VLAN configurations

Troubleshoot Common Software or HardwareMisconfigurations Associated with VLANs

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Summary

VLANS

Allows an administrator to logically group devicesthat act as their own network

Are used to segment broadcast domains

Some benefits of VLANs include

Cost reduction, security, higher performance,better management

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Summary

Types of Traffic on a VLAN include

Data

Voice

Network protocolNetwork management

Communication between different VLANs requires theuse of

Routers

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Summary

Trunks

A common conduit used by multiple VLANS forintra-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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