Also, I am using Fedora for these examples. For any changes to TShark's command-line options or flags, please refer to the appropriate man pages and online documentation. To try the examples in this article, you need to be connected to the internet.

However, it also provides a powerful command-line utility called TShark for people who prefer to work on the Linux command line. Wireshark is a popular open source graphical user interface (GUI) tool for analyzing packets. To understand these protocols, you need a tool that can capture and help you analyze these packets. Right now, while you are reading this article, numerous packets are being exchanged by your computer and traveling across the internet. Most of the time when we connect to the internet, we don't think about the network protocols at work underneath that make it all possible. Since the router/switch is forwarding packets constantly, we may need to apply some display filter to filter out the packets we are interested in. Run Wireshark, select the interface you connect to SMB router or switch.Input the IP address to the address bar in the web browser and you will visit the GUI of the SMB switch.Īfter logging into the page, go to MAINTENANCE-Mirroring, click Edit, select the port connecting to your PC in Destination Port Config and enable Ingress and Egress option in the port you want to capture packets in Source Interface Config, click Apply. Input the IP address to the address bar in the web browser and you will visit the GUI of the SMB router.Īfter logging into the page, go to Network-Switch-Mirror, enable Port Mirror, select the port connecting to your PC in the Mirroring Port and the port you want to capture packets in the Mirrored Port, click Save. Set Port Mirror for PC and the port you want to capture packets.Connect PC to the SMB router or switch directly.Download and install Wireshark on your PC.

Note: Connect PC to SMB router or switch directly. It’s a free and powerful sniffing and analyzing software. This document will introduce how to capture packets using Wireshark in SMB router or switch. Packets capture and analysis are very important for us to troubleshoot when some problems occur such as the router can’t obtain IP from ISP, the client can’t receive multicast packets, etc.

Wireshark ip sniffer