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.

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 ...

Microsoft has tried to make it easy to set up a Windows XP network, share files and printers, and share an Internet connection. The Home Networking Wizard makes all the necessary network settings ...

Netstat (Network Statistics) is a command-line tool for monitoring and troubleshooting computer network issues. This tool shows you all your device’s connections in as much detail as you need. With ...

Implementing 802.1X authentication, which includes everything from setting up a RADIUS server to keeping end users connected, isn't easy. Implementing 802.1X authentication, which includes everything ...

This tip is excerpted from "Network troubleshooting and diagnostics," Chapter 4 of The Shortcut Guide to Network Management for the Mid-Market, written by Greg Shields and published by ...

This tip is excerpted from "Network troubleshooting and diagnostics," Chapter 4 of The Shortcut Guide to Network Management for the Mid-Market, written by Greg Shields and published by ...

I have a user who's machine is not pingable on our network, using computer hostname or associated IP. However, in troubleshooting this, I see that the IP the machine actually has does not resolve to ...

Computer networks are critical parts of almost every organization. Computer network and system administration (CNSA) refers to the day-to-day operation of these networks. CNSA professionals organize, ...