In many ways, the art of networking today is quite different from when I entered the field about 17 years ago as a part-time student assistant in the networking group at the university where I was ...

The process of troubleshooting your network involves a methodology that starts with cabling and works through the OSI model to the application layer. The network devices have a network cable that ...

NetCrunch Tools is an application for Windows Networking professionals that can help them troubleshoot and manage their network. It combines 11 troubleshooting tools, including DNS Audit, Ping Scanner ...

Figure 1. Link and activity lights can tell you a lot about the connection between two network devices. All network architectures rely upon a physical (or RF) connection between devices.

Back when I worked in the Network Operations department at one of my previous jobs, we used to chuckle when a customer would call us reporting that “the Internet is down.” Now, I realize that there ...