Virtual LAN (vLAN, VLAN. Associated with Integrated high-speed firewall VLAN, Virtual Local Area Networks Hardware, Virtual Local Area Networks Software, VLANs, 802.1q,, IEEE 802.1q, Logical LAN, Virtual LAN Hardware, VLAN Hardware, VLAN Software, Media Access Control Bridges, Virtual Local Area Networks, MAC Bridges, Virtual Bridged LAN, Virtual Bridged Local Area Networks, Virtual LAN Software, Virtual LAN, Virtual LAN Appliances, Virtual Local Area Network Hopping, VLAN Hopping.) - A network or networks within a physical network. It can be useful for minimizing network traffic and grouping departments together for security. http://en.wikipedia.org/wiki/VLAN