I have a few dumb devices (Gemtec IoT LoraWAN gateways) on one network that rely on NTP to function correctly. After they were installed, they worked for about 1 day then stopped relaying sensor info ...

Chances are you’ve heard about network protocol in the past but likely have little idea of what it is all about. For sure right now, we can say that there are different types of network protocols ...

Local clock inaccuracy is so miniscule as to not merit mention with respect to NTP. (around three orders of magnitude difference). Click to expand... For bare metal, yes. For virtual, no. Fire up ntpd ...