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 ...

I have a weird thing ... as usual. I have a Cisco UCS system with the normal fabric interconnect setup (2 x 6248UP connected to a chassis with 2 x 2208xp fabric extenders), running the latest 4.x ...

To begin, we must have a more formal definition of what a LAN is. LAN stands for local area network. Hubs and switches usually are thought of as participating in a single LAN. Normally, if you connect ...

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, ...

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.

Have you been told that VLANs are the ultimate solution to your network woes? That they’ll magically secure your infrastructure, eliminate complexity, and solve all your traffic management headaches?