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let me preface by saying I don't know if my issue is with the router or the laptop or something else. But maybe it's the router.

So recently bought a new late-2016 Macbook Pro. Also bought a USB-C to USB 3.0 hub to go with it. discovered that the interference from the USB3 was shutting down the 2.4GHz wifi band on the laptop. Bought a new Archer C7 to replace my ASUS RT-N16. Connected the MPB to the 5GHz frequency. All seemed well.

Except I began noticing that my wifi was shutting off periodically when either running torrents or updating local iOS apps via iTunes. Basically any high-speed downloads. They'd chug along at a good clip, and then suddenly bandwidth would drop to 0, browser no longer able to load anything. Wifi connection showed as still online, but not even able to hit the router dashboard. Turning the MBP wifi off and on again would get me back online immediately, but resuming the downloads would shut me down again. Note this doesn't happen all of the time, just a lot of the time.

Ran the OSX wifi diagnostic and signal seemed consistently fine, no problems noted, right up until it got cut off. Tried looking at the C7 logs to see if there was anything obviously amiss, even to someone who doesn't know how to read logs, but I don't see anything.

the laptop isn't located very near the router but my signal strength seems fine. Can't test ethernet because I don't have a USB-C to ethernet dongle.

IF the issue is happening on the router side, in that it's kicking off my laptop because of the download traffic, how would I investigate this and remedy it?

And if it's not, what else could it be?

thanks