Troubleshooting protocol gateways, which have become indispensable in the era of the Industrial Internet of Things (IIoT), is not always so easy. Engineers' time and energy are often misspent trying to track down the root cause of a communication failure. Adding to their frustration is the lack of helpful diagnostics tools to pinpoint the root cause much faster. We take a closer look at a solution that simplifies the troubleshooting of protocol gateways...