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Cisco Networking Academy Switched Networks Companion Guide: VLANs

Chapter Description

This chapter covers how to configure, manage, and troubleshoot VLANs and VLAN trunks. It also examines security considerations and strategies relating to VLANs and trunks, and best practices for VLAN design.

Key Terms

This chapter uses the following key terms. You can find the definitions in the Glossary.

  • Virtual Local-Area Network (VLAN) page 96
  • VLAN Trunk page 96
  • Data VLAN page 99
  • User VLAN page 99
  • Default VLAN page 100
  • Native VLAN page 100
  • IEEE 802.1Q page 100
  • Management VLAN page 101
  • Voice VLAN page 101
  • Dynamic Trunking Protocol (DTP) page 120
  • Switch Spoofing Attack page 138
  • Double-Tagging Attack page 139
  • Private VLAN (PVLAN) Edge page 140
  • Protected Port page 140
  • Black Hole VLAN page 142
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