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 easy to see why virtual LANs have become popular on networks of all sizes. Imagine having multiple separate physical networks within a single organization — without the headache of managing ...

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 ...

Nutter helps a reader protect the servers in his growing network. As our network grows in size, so does the need to protect the servers. We have already put in an interior firewall between the servers ...

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 ...

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 ...

The IEEE’s 802.1Q standard was developed to address the problem of how to break large networks into smaller parts so broadcast and multicast traffic wouldn’t grab more bandwidth than necessary. The ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Probably the most common network interconnection device in industry networks are layer 2 switches ...

I'm just entering the world of VLAN's, so please excuse my ineptitude. I'm setting up a new office for a small recording studio/coworking space. Since there will be a lot of foot traffic, I'd like to ...

If I have a handful of "smart" switches that will handle 802.1Q vlan tagging both at the perimeter and the core of my network, will the tags survive if there is a completely dump unmanaged switch ...