Chapter_3_VLANs

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VLANs
www.Athena.Edu.Vn
LAN Switching and Wireless – Chapter 3
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.
Explain the Role of VLANs in a Converged Network
Explain the role of VLANs in a converged network

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

Explain the Role of VLANs in a Converged Network
Describe the VLAN port membership modes
Explain the Role of VLANs in a Converged Network
Describe how to manage broadcast domains with VLANs
Explain the Role of Trunking VLANs in a Converged Network
Explain the role of a trunk when using multiple VLANs in a converged network
Explain the Role of Trunking VLANs in a Converged Network
Describe how a trunk works
Explain the Role of Trunking VLANs in a Converged Network
Describe the switch port trunking modes
Configure VLANs on the Switches in a Converged Network Topology
Describe the steps to configure trunks and VLANs
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
Configure VLANs on the Switches in a Converged Network Topology
Describe the Cisco IOS commands used to manage VLANs on a Cisco Catalyst switch
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
Troubleshoot Common Software or Hardware Misconfigurations Associated with VLANs
Describe the common problems with VLANs and trunks
Describe the common problems with VLANs and trunks
Troubleshoot Common Software or Hardware Misconfigurations Associated with VLANs
Describe how to use the troubleshooting procedure to fix a common problem with VLAN configurations
Troubleshoot Common Software or Hardware Misconfigurations Associated with VLANs
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
Summary
Types of Traffic on a VLAN include
Data
Voice
Network protocol
Network management
Communication between different VLANs requires the use of
Routers
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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