![]() To begin capturing, click the interface of choice and then click the Start Capture button which looks like a shark’s fin ( ) at the top left. Although this can be done now, the same filters can be applied after the capture to display only the desired packets. ![]() The filter field allows you to enter various parameters that will cause Wireshark to capture only specific packets. At this point, the application is ready to begin capturing packets. Once installed and when run for the first time, a window similar to the following will appear.Īll of the available interfaces on the computer, including wired, wireless and Bluetooth interfaces are displayed and the traffic that is detected on each is shown in a small graph. In the next section, you’ll get a chance to see some real packet capture scenarios that involve voice applications. This is done in order to first get a basic understanding of Wireshark packet analysis and how it works. In this introduction, we’ll look at generic packet capture examples that don’t necessarily have to do with VoIP. Although it is available for Mac and for some Linux-based systems, it is the Windows version that will be shown here. Wireshark is a piece of software that you can download and install for free on your computer. Introduction to Wireshark Packet Analysis
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