Virtual LAN (VLAN) technology is an integral technology for extending the reach of enterprise networks across wide area networks. As a result, designers need to have a strong understanding of VLAN ...

Add Yahoo as a preferred source to see more of our stories on Google. When set up correctly, virtual LANs improve the performance of busy networks. VLANs can group client devices that communicate ...

VLANs break a physical LAN into several logical broadcast domains. Each LAN station hears traffic sent by its own VLAN but receives nothing from stations in other VLANs -- not even from those ...

In the IP based Ethernet networks, data and voice services are often transmitted simultaneously over the network. Voice traffic, in particular, requires a higher forwarding priority than data traffic.

It's no surprise that Linux makes a great router and firewall. A lesser-known fact is that you also can use Linux as an Ethernet bridge and VLAN switch, and that these features are similarly powerful, ...

Metropolitan-area network (MAN) service providers now have an opportunity to increase revenues by offering transparent local-area network (TLAN) services combined with Internet access to customers in ...

What they do, why they're useful, and how to get started A virtual local area network is a logical subnetwork that groups a collection of devices from different physical LANs. Large business computer ...