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.

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 ...

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 ...

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, ...

As Microsoft releases newer versions of its Windows client and server OSes, it continues to double down on PowerShell (PS), the framework developed for managing systems and automation. With its ...

Households are increasingly becoming multiple-PC homes. And as people add extra PCs to a home, they naturally want to share files between those systems. Typical multi-PC households also tend to have ...

I’ve got a 2018 Mac mini with network issues that have gone beyond my ability to troubleshoot. Starting prior to Sonoma, the computer would sporadically lose access to the internet. I could still ...

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 ...