This chapter covers the following topics that you need to master for the CCNP SWITCH exam:
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.
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 domain, can be simple to implement ...