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 ...

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 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.

Question: When is a network switch not really a switch? Answer: When you’ve configured a Virtual LAN. Then it’s a router…sort of. Don’t worry. Your networking equipment doesn’t need psychotherapy. But ...

I manage a small office network (around 10 computers) for a client of mine, and they decided to get a new phone system without realizing it was an IP system. It is a Cisco IP phone system. Previously ...

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 ...

Rate your favorite Cisco Press books. Chapter 3, “Switch Operation,” presents a functional overview of how multilayer switching (MLS) is performed at Layers 3 and 4. The actual MLS process can take ...

The Test Center redefined an existing LAN to take advantage of VLANs for bandwidth and security purposes. The network, designed to approximate the kind of environment found in small businesses, ...

A virtual LAN (VLAN) is a broadcast domain created by switches. VLANs are a convenient way to connect ports from different switches and different buildings onto the same network and broadcast domain, ...

Walk into any server room or network cabinet, and you’ll often know exactly how that business runs.If the cabling looks like spaghetti and unmanaged switches hang like ornaments, chances are good that ...