Connectivity & Networks
VLAN
A Virtual Local Area Network that logically separates traffic on shared Ethernet hardware.
IN ONE SENTENCE
Devices can be placed in different network groups even when they use the same physical switches.
In normal English
VLANs are used for segmentation, security and traffic management but require correctly configured managed network equipment.
Why would I use it?
Use it to separate machine networks, departments or traffic types without separate cabling everywhere.
THINK OF IT LIKE…
Invisible walls dividing one physical Ethernet network into several logical ones.
Related terms
managed switch, Ethernet, cybersecurity
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