Select Start next to the network interface that is showing an IP address. Click here for an image.Īfter installing and opening Wireshark, click this icon to initiate the trace, or click on Capture > Interfaces from the menu bar. There are now three Ethernet cables connected to the hub. Note: You can reconnect the original cable after capturing the network trace. Take one of your Ethernet cables and connect one end to the printer and the other end to an available port on the hub.ĭisconnect the existing network cable from the computer performing the trace and, using your second extra cable, connect the computer to the hub. Also, look for the presence of an uplink switch or button on the hub to check that it is active or turned ON.If the LED does not illuminate, try Port 1, which is often the Uplink port on the hub.Try connecting the cable to any port adjacent to Port 1 to see whether the Ethernet LED illuminates.Note: This takes into account that the printer's Ethernet cable is connected to a switch on the network. Printer/computer-to-hub connection and network traceĭisconnect the Ethernet cable from the printer's network port and plug this cable into the uplink port on the hub. Go to and for information regarding security, Windows Vista installation, and software usage. Please visit to download the application. This example uses a recommended network trace application (network packet analyzer) called Wireshark.You will need two additional functioning network cables to perform this procedure.Please refer to the User's Guide for the switch or router for further details. Note: If a hub is not available, you may be required to turn on 'port mirroring' in order to obtain a successful network trace. In contrast, a switch, router, or smart hub directs network traffic to specific destinations (ports), which may prevent a comprehensive network trace and thus not provide a true picture of the network's condition. Why? Hubs allow each and every port to see all the network traffic going to other ports on the device.A hub should be used to capture a network trace.A network trace is a useful tool for diagnosing printer-related network communication issues. This article explains how to perform a network trace that Lexmark Technical Support may request for evaluation by 3rd level support and product engineering teams.
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