Chapter 1. Virtual LANs

This chapter covers the following subjects:

Virtual LAN Concepts: This section explains the meaning and purpose for VLANs, VLAN trunking, and the VLAN Trunking Protocol (VTP).

VLAN and VLAN Trunking Configuration and Verification: This section shows how to configure VLANs and trunks on Cisco catalyst switches.

VTP Configuration and Verification: This final section explains how to configure and troubleshoot VTP installations.

The first part of this book, which includes Chapters 1, 2, and 3, focuses on the world of LANs. Chapter 1 examines the concepts and configurations related to virtual LANs (VLANs), while Chapter 2, “Spanning Tree Protocol,” covers how the Spanning Tree Protocol (STP) prevents loops in a switched network. ...

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