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18
C
HAPTER
1: S
WITCH
F
EATURES
O
VERVIEW
VLANs
A Virtual LAN (VLAN) is a flexible group of devices that can be located
anywhere in a network, but which communicate as if they are on the
same physical segment. With VLANs, you can segment your network
without being restricted by physical connections — a limitation of
traditional network design. As an example, with VLANs you can segment
your network according to:
■
Departmental groups
■
Hierarchical groups
■
Usage groups
For more information about VLANs, see
Chapter 8
“Setting Up Virtual
LANs”
.