Diehard packet engineers will always look to their laptop in these situations but the one area that seems to be defeating them is the sheer volume of packets that a simple 5 minute capture can generate. Laptop performance keeps improving, but the amount of data in our networks keeps increasing too. There is a traditional argument about the performance of laptops and their ability to capture accurately. The vast majority of us will be using Wireshark on our laptops, a few people use dedicated PCs or servers but there is an increasing trend in using some sort of specialist capture engines, why is this? However, whether the software is free or paid for, it can only be as good as the information that gets passed up to it. Even the more expensive analysers with extended problem databases and issue recognition features all support the WireShark file formats, which have become a “defacto” file standard these days. It’s no coincidence that it’s free, but it is also quite capable. IP address: ip.addr=192.168.0.1, 8.8.8.8, etc.The most popular packet capture solution in the world is WireShark. 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.
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