R7500 v2 FW 1.0.3.4

So here is my issue. ever since i updated to FW 1.0.3.4 i have had the issue of my router quits recognizing my internet and i have to go into my router setting click on internet wait for it to detect the connection and then my internet works again for another couple of hours. i also have it sait up that my dsl modem is pass through to my router and under internet setting "does your internet require a password" i have marked yes. ANY help with this would be awesome