T he average home now has dozens of networked devices, from computers to smart devices and streaming boxes. Each of these ...

Say hello to Quality of Service, Link Aggregation, Access Control Lists, Spanning Tree Protocol, and IGMP Snooping.

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 ...

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, ...

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.

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 ...

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 ...

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 ...