Reference Guide

VLANs 335
14
VLANs
This chapter describes how VLANs are configured on the device.
It contains the following topics:
•Overview
VLAN Membership
Port Settings
LAG Settings
Protocol Groups
Protocol Port
GVRP Parameters
•Private VLAN
Voice VLAN
Overview
A VLAN is a switched network that is logically segmented on an
organizational basis, by functions, project teams, or applications rather than
on a physical or geographical basis. For example, all workstations and servers
used by a particular workgroup team can be connected to the same VLAN,
regardless of their physical connections to the network, or the fact that they
might be intermingled with other teams. Reconfiguration of the network can
be done through software rather than by physically unplugging and moving
devices or wires.
A VLAN can be thought of as a Broadcast domain that exists within a defined
set of switches. A VLAN consists of a number of end systems, either hosts or
network equipment (such as bridges and routers), connected by a single