He broke it, but was able to get it fixed right away.

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.

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 ...

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 ...

It's all about those VLANs.

I've got a customer with a Dell switch (power connect 6248 I think) with 3 uplinks to my network. The uplinks are separate layer 3 links, each one being a separate IP block in a separate VLAN on my ...

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, ...

Q: I have a Cisco L3 3560 switch, 5 unmanaged switches and 150 users. I need to create 10 VLANs. How can I configure my VLAN given the switches I have? It depends on how many users you would need in ...

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 ...

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, ...