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broadcast domain, a LAN. The primary utility of using VLAN is
to reduce latency and need for routers, using faster switching
instead. Other VLAN utility include:
Security
Security is increased with the reduction of opportunity in
eavesdropping on a broadcast network because data will be
switched to only those confidential users within the VLAN.
Cost Reduction
VLAN can be used to create multiple broadcast domains, thus
eliminating the need of expensive routers.
Port-based (or port-group) VLAN is the common method of
implementing a VLAN, and is the one supplied in the Switch.
Each Switch port can belong from one to twenty four VLANs.