And you are done, after it restarts check your device to see if it worked.

Apply the settings and restart the modem, DO NOT UNPLUG THE MODEM, RESTART IT. It doesn't let you put 99 in the days box so I put 30, for 30 days. At the bottom there is boxes that say days, hours, minutes, seconds. After that if you want to select the devices IP address, (if you have connected your devices previously then then select the device in the drop box. Select IP PASS THROUGH, under the selections of dynamic, and fixed, select FIXED. Then go to FIREWALL or ADVANCED FIREWALL.

My goal here is to effectively be able to turn on all 3 Xbox Consoles at a time and have Open NAT at all times, regardless of the order in which consoles are powered on.ДЄny and all help would be greatly appreciated as I have been dealing with this issue for a few years with ATT Uverse.

Note I have 1 Xbox 360 connected via Ethernet Cable and the other wireless, and the Xbox One is also connected via Ethernet Cable. With the ports forwarded and assigned to an Xbox 360 and the Xbox One, and I just enabled the IP Passthrough to the setting 'Passthrough', in which allowed both of the Xbox 360's to have Open NAT at the same time (first time ever) but the Xbox One still has Strict NAT.Ususally I am able to get Open NAT on one Xbox Console at a time and that usually has to be the first console to sign into Xbox Live, therefor the first one connecting to the internet, which causes the other two Xbox consoles that connect afterward to have Strict NAT.The issue I am posting about has to do with having Strict NAT on one or two of our Xbox's at the same time, which causes me to not be able to connect to certain people online, in which I'm sure has to do with opening ports, IP Passthrough, or DMZplus (which my Modem does not support.).In my household we constantly have 2 Computers, 2 Xbox 360's, and 1 Xbox One connected to the internet, and that's not including other wireless devices (ie. Hello, my name is Brad and I am currently an ATT Uverse Internet customer with a Motorola NVG589 Modem.

At t uverse open ports