In terms of IGMP Snooping, etc. I cannot see no such option under Internet tab, only the WAN Interface Name and its settings, nothing else is listed there.

@agoldstein54 Thanks for informing me and finally giving me some deeper insight into possible causes of such weird behaviour. I really appreciate this, being in a dark for such a long time in this...

My drop outs have significantly reduced in the meantime, but still occur time to time, which is rather inconvenient. I have been looking for ways how to disable those services, but only found one...

@SixThe9th to make things even more interesting, after being repeatedly pissed off by this mysterous hardware hiccups today, I rolled back to DHCP thinking naively that things can go better, but no....

@SixThe9th wow, it is really nice to see that there is so many experts here in TP community, yet I'd think this might not be such a drastically unique issue. I am adding several screen shots to map...

Hello, I am pretty desperate as my VR300 router does my headache each and every day by randomly disconnecting from internet. Weirdly enough only one device (the most important in the network) suffers...