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.

At home I generally set all switches with a native VLAN of the main LAN and tagged to the guest LAN. I know this is probably not optimal, but I'm wondering how bad it really is? I get that it probably ...

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 ...

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 ...

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 ...

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 ...