V-LAN (virtual LAN)

VLANs are used to segment the network into smaller broadcast domain or segments. In other word VLAN is a logical grouping of network users and resources connected administratively to defined ports on a switch.The primary reason to segment your network is to relieve network congestion and increase bandwidth.By creating VLANs, you are able to create smaller broadcast domains within a switch by assigning different ports on the switch to different subnetworks. Ports assigned to the VLAN to which the node sending the broadcast is assigned will receive that broadcast.

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