Networking 101: What is a VLAN?
The idea of a VLAN, or Virtual Local Area Network, is simple enough, right? It’s hard to imagine any work in a modern networking/IT space without having encountered, set up, or managed a VLAN. Well if that’s all you needed to know about VLANs, we’d be done here, but there’s a bit more to it. To cover our bases: In most modern networks the primary purpose of the LAN is to provide connectivity to a wider network, most notably the internet.