So, i did reset the cable modem and flashed the asus 342 firmware 3days ago. Until last night everything was ok. But now the speed has decreased again, both on 2,4 and 5 ghz-band. I have a 100/100mbit connection but i can only get between 0-5mbit on the 2,4ghz and 5-10mbit on the 5ghz. When...