No response when the network cable is plugged into the core switch

Begin by looking at the power and LED lights on your network switch. Make sure all cables are plugged in tight. This helps you. Effective network switch troubleshooting is an essential skill for any IT professional or advanced user. Begin by. A switch allows multiple devices to be connected to the same network, just like a hub does, but this is where the similarity ends. In this article, you will learn how to use some of the most common network hardware diagnostics tools to troubleshoot switch port connectivity. A newly installed electric cable that was run parallel to the suspect cable. Problems with the switch or switch port. [pdf]