So, I have a 30mb/s internet connection (confirmed with speedtest.net, and another site), but whenever Im downloading a file over 5mb/s (wired or wireless), on any system on my network, my internet gets completely saturated, and any other internet traffic comes to a grinding halt. My hardware is setup like this: Modem (Technicolor DPC3848V) > Wired/Wireless Router #1 (Asus RT-N66U) > Wired/Wireless Router #2 (Asus RT-N66U in AP mode), with about 3 wired devices, and 5 wireless, that are not all running at the same time. I usually use QbitTorrent to do large downloads, and I can see that that Im using 5-6mb/s, when I hit that point any other internet connection on my network is extremely slow. I know there a 1000 possible causes for this, but anything I should look at first? Thank you.