Take one look at me and you’ll quickly identify me as someone who loves pi (and pie). Specifically, the Raspberry Pi, they are a permanent accoutrement to my workspaces. With the Pi 4 now officially out what better time to dust off those old Pis and put them to work in your network tool kit. Chances are you already have all the components laying around.
Have you ever found yourself in a position where throughput between devices, either local or across a WAN, seemed lower than expected? You may start by checking the configuration and logs on the network devices along the path, hoping to identify something out of the ordinary or unusual. Often a smoking gun isn’t immediately identifiable which then requires a coordinated approach to troubleshooting and narrowing down the potential causes. This write-up aims to provide some of the practices and tools I’ve used in similar situations.
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