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VLAN Operation and Network Applications 12-1

VLAN Operation and Network Applications

This chapter provides the following information:

• Definition of VLANs (Section 12.1)

• Types of VLANs (Section 12.2)

• Benefits and Restrictions (Section 12.3) of VLANs

• VLAN Terms (Section 12.4)

• VLAN Operation (Section 12.5)

• Configuration Process (Section 12.6)

• VLAN Switch Operation (Section 12.7)

• VLAN Configuration (Section 12.8)

• Summary of VLAN Local Management (Section 12.9)

• Quick VLAN Walkthrough (Section 12.10) setting up a VLAN using Local Management

• Examples (Section 12.11) showing how VLAN-aware switches can be configured based on a

given problem

12.1 DEFINING VLANs

A Virtual Local Area Network is a group of devices that function as a single Local Area Network

segment (broadcast domain). The devices that make up a particular VLAN may be widely

separated, both by geography and location in the network.

NOTE: It is recommended to read this chapter to gain an understanding of VLANs

before configuring the switch.