Hello everyone. Hoping someone here can help. I have several issues with my current Roku's that I am struggling with. Set up is as follows: Path 1 is: AT&T Fiber at 1Gbps AT&T gateway Asus RT-AC3200 Tri-band Wireless Gigabit Router Roku Ultra connected via Cat6 with manually assigned IP Denon AVR-X4300H via HDMI Sony VPL-HW40ES projector via HDMI Path 2: AT&T Fiber at 1Gbps AT&T gateway Asus RT-AC3200 Tri-band Wireless Gigabit Router Roku 2 (upgraded version) connected via Cat6 with manually assigned IP Onkyo RC-260 via HDMI Samsung 65" via HDMI NOTE: I do not have dual routers set up (i.e. the AT&T Gateway and the Asus Router). The AT&T unit is just a gateway through the DMZ+ settings. I have several issues that are driving me insane: 1) Amazon Prime - generally 15-20 minutes into a show or movie (both rented and "free" included with Prime) the show will stop and I get a popup box that says: "Problem Occured We are unable to play your video at this time. Please try again in a few minutes or contact Amazon Customer Service at: amazon.com/videohelp. OK" 2) On the Roku Starz and HBOGO channels the Roku will actually freeze and restart. 3) on Netflix the picture is sometimes "jittery" - this was most noticeable during the show Sherlock Things I have tried: 1) different Ethernet patch cables 2) different Ethernet ports in the wall 3) different HDMI cables 4) different Rokus (it is how I ended up with the Roku Ultra) 5) wired and wireless connection 6) system updates 7) extensive time with Amazon help desk (I have a special ticket in now- lucky me) 8) uninstalled/reinstalled the apps 9) deregistered/reregistered the Rokus 10) QoS on and off given it happens across devices I am inclined to think it is something with router... Any suggestions or help is greatly appreciated. Thank you.