VLAN and how it works

By defining VLANs on a LAN we aim to achieve the following objectives:

An example by way of illustration: In a LAN, a switch is connected to a hub, which connects 4 PCs in the Marketing department to the network. A server and two PCs in the Accounting department are connected directly to the switch. The final segment is a wireless-network base station that connects four WLAN clients from the Sales department to the network.





The PCs from Marketing and Sales should be able to communicate with one another. The Accounting department also needs access to the server, but their communications should remain concealed from the other PCs.

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