As an Industrial and Scientific professional, I use the LINKRUNNER Ethernet Network Tester all the time, and I can't recommend it enough. Upon using it, I found that it's an efficient and reliable tool that accurately diagnoses any network issue. One of the things that really stood out for me is how easy and intuitive it is to use; it's a real time-saver! Unfortunately, the only real cons are the price, but if you're willing to invest, it's well worth the cost. The NETSCOUT LRAT 2000 LinkRunner Ethernet Network Tester is undoubtedly the best way to solve any networking problems quickly and efficiently.