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Cisco Networking Academy's Introduction to VLANs

Chapter Description

This chapter will cover how to configure, manage, and troubleshoot VLANs and VLAN trunks. It will also examine 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.

  • VLAN page 90
  • data VLAN page 93
  • default VLAN page 93
  • native VLAN page 94
  • trunk page 94
  • management VLAN page 95
  • voice VLAN page 96
  • tagging page 101
  • vlan.dat page 106
  • VLAN Trunking Protocol (VTP) page 106
  • Dynamic Trunking Protocol (DTP) page 120
  • VLAN leaking page 127
  • VLAN hopping page 134
  • switch spoofing page 134
  • double-tagging page 135
  • Private VLAN (PVLAN) Edge page 136
  • black hole VLAN page 138
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