9 Best Help Desk Software for Small Business in 2026
Why is your network slow or failing even when your devices seem to be working? Finding the cause of a network problem can take time. You may need to check packet loss, trace the network path, find a busy link, or see why an application is not connecting. A simple ping test can tell you whether a device responds, but it cannot always show what is causing the problem. Network diagnostic tools help you narrow down the cause by checking devices, ports, routes, packets, traffic, and link performance.