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.

Lately, I’ve heard many mentions, pro and con, of using virtual LANs to solve QoS challenges in wireless LANs. If like me, you’ve been confused by some of this talk, read on. First, several vendors ...

We inherited a Digium Switchvox 355 when we acquired a company last year. We're just about finished standardizing the site, and one of the last pieces is the phone system. Currently, its plugged into ...

Rick Cook learned programming on a computer with magnetic drum memory. Since then he's written thousands of articles on all aspects of computers and high technology — as well as several fantasy novels ...

Well, I've managed to get my company to split the cost on an Aruba 1930 24POE switch. So I'm diving into the manual to read how to configure VLANs, Layer 3 routing, and trunking. Oh, wait, a trunk is ...