I did the following I changed my main network to the IP range that i used and deleted the lan and its VLAN ID, then my NAS became reachable. I, also, deleted my ACL rules.

I recently acquired the ER7206 router, and i managed to set it up today. my Network setup is simple 1 wan (vdsl), 1 router (er7206) and an old Asus RT-AC56U (soon to be my access point) and 1...