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12

VLANs and Trunks

CERTIFICATION OBJECTIVES

12.01    VLAN Overview

12.02    VLAN Connections

12.03    VLAN Trunk Protocol

12.04    VLAN Configuration

images      Two-Minute Drill

Q&A      Self Test

As was mentioned in Chapters 2 and 4, layer 2 devices, including bridges and switches, always propagate certain kinds of traffic in the broadcast domain: broadcasts, multicasts, and unknown destination traffic. This process affects every machine in the broadcast domain (layer 2 network). It affects the bandwidth of these devices’ connections as well as their ...

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