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.

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 ...

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 ...

I've got a problem, I've been trying to implement some layer2 security on our switches with Port-Security, only allowing 2 MAC addresses on any 1 switchport. I've been looking at some of our switches ...

In Cisco LAN switch environments, the native VLAN is typically untagged on 802.1Q trunk ports. This can lead to a security vulnerability in your network environment. It is a best practice to ...