Chapter 5. VLANs and Trunks

<feature><title>This chapter covers the following topics that you need to master for the CCNP BCMSN exam:</title>
  • Virtual LANs—. This section reviews VLANs, VLAN membership, and VLAN configuration on a Catalyst switch.

  • VLAN Trunks—. This section covers transporting multiple VLANs over single links and VLAN trunking with Ethernet.

  • VLAN Trunk Configuration—. This section outlines the Catalyst switch commands that configure VLAN trunks.

  • Troubleshooting VLANs and Trunks—. This section provides commands to use when a VLAN or trunk is not operating properly.

</feature>

Switched campus networks can be broken up into distinct broadcast domains or virtual LANs (VLAN). A flat network topology, or a network with a single broadcast ...

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