What is a VLAN?   VLAN Stands for Virtual Local Area Network.   Let us imagine a footpath in a park. It has limited space and is say shared by pedestrians and cyclists. During busy periods, pedestrians and cyclists are constantly contending for space and accidents begin to happen. One day someone drew a line down the path and painted an image of a person along one lane and a picture of a cycle on the other.   This had an immediate effect. Cyclists only used the cycle lane and they all respected each other. Pedestrians used the pedestrian lane and they all respected each other. Although both sets of traffic had to share the same path, it was now easy to manage the different types of traffic based on a category.   This is how a VLAN might work. One VLAN might carry voice traffic, and one VLAN might carry all the other data traffic. Still sharing the same connection, however ordered and managed. ... View more