AC3200 plus AC66U Connected Lan to Lan

Hey all,

I hope this is in the right section, if not my apologies as i learn the forum a bit better...

Here is my setup, the AC3200 is the main router, that is hooked up to my cable modem, I am using Merlin Build 378.55 on both routers and the AC3200 works flawless as the main router... I have hooked up the 66U router to the AC3200, doing lan to lan hookup

I have turned off all the firewall and DHCP in the 66U... I have a hardrive hooked up to the 66U and I would like to use it with a...

AC3200 plus AC66U Connected Lan to Lan