Catalyst 4500 Series Switch Cisco IOS Software Configuration Guide, 12.2(25)EW
This chapter describes VLANs on Catalyst 4500 series switches. It also provides guidelines, procedures, and configuration examples.
Overview of VLANs
A VLAN is a group of devices on one or more LANs that are configured to communicate as if they were attached to the same wire, when in fact they are located on a number of different LAN segments. Because VLANs are based on logical instead of physical connections, they are extremely flexible.
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