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 ...

Network troubleshooting can challenge even the most experienced IT professionals. New issues can crop up any time a device is added or the network changes, and it can be difficult to determine exactly ...

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 ...

Networking pro Greg Schaffer was stumped when he couldn't solve a connectivity problem and initially told his client it wasn't a networking issue. Then he checked again. Several years ago, a new ...

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 ...

Modern network connectivity is light years ahead of what it once was. Even though it's much more reliable than it was in the 1990s, issues still come up -- which is why I'm glad that Linux includes a ...

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, ...

I have problem in my networking strategies. After 6:30 PM my network goes down. We are not able to get the mapped drives on local machines and we cannot save anything on our server. We have a Dell ...