vlan
nounUK /ˈviːlæn/
US /ˈviːlæn/
A VLAN is a way to split one big computer network into smaller groups that act like separate networks.
The school put the student computers on one VLAN and the office computers on another.
OTHER MEANINGS
2. A tag added to network data that tells switches which virtual network the data belongs to.
The switch reads the VLAN tag to send the packet to the right group.
3. A setting on a network switch that assigns ports to a particular virtual network.
The technician changed the VLAN on port 12 so the printer joined the office network.
4. A method used by companies to keep different departments' traffic apart on shared hardware.
Using a VLAN keeps the finance team's data separate from the guest Wi-Fi.