Hi Carl, As you are probably aware, computers can only communicate with other if they are on the same network, a network being a group of computers connected together. The problem is, when you have hundreds of people connected to the same network, you need a way to control who can talk to who, and where different information is sent. VLAN's, virtual local area networks, are the solution to this issue. VLAN's behave like seperate computer networks for the computers that use them, giving administrators more precise controls for network traffic. In short, VLAN's are used in a network to create subnetworks to help control how information flows through the network as a whole. ~Andrew~
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