13.5 The virtual local area network (VLAN)
While you’ve been working your way through this session you probably noticed an interface labelled ‘VLAN’ and wondered what it is and what it’s for. This section provides you with a very brief explanation of VLANs and their function. Watch the video below, which is about 2 minutes long.
Activity 5 Test yourself
Write two or three sentences to briefly explain a VLAN.
Here’s a possible answer.
VLAN is short for virtual local area network. It provides network managers with a way of organising network devices into isolated groups that are independent of their geographical position. This can be done without having to run new cables or make major infrastructure changes.