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[dreday78]

AT&T recently replaced our uverse modem with a Pace 5031nv router.  It doesn't have a bridge mode, but I followed these instructions to mimic it: https://forums.att.com/t5/Third-Party-Devices/How-to-Bridge-PACE-5031-NV-to-3rd-Party-Router/td-p/3612175
Now, for some reason I cant access any sites while connected to the DIR-655.  If I connect to the Pace modem, I have internet access.  Are there settings within the DIR-655 I need to change after following the instructions from the ATT forums to have access?

[dreday78]

I forgot to mention that if I turn off the DMZ for the DIR-655, it can connect to the internet.

[dreday78]

Update:  Just as a test a connected my Xbox One to the Pace and set the DMZ mode for it.  Same issue, the Xbox One can't surf, and the network status went from moderate to strict.  I'm going to contact AT&T about it.

[FurryNutz]

Link>Welcome!

• What Hardware version is your router? Look at sticker under the router case.
• Link>What Firmware version is currently loaded? Found on the routers web page under status.
• What region are you located?

Internet Service Provider and Modem Configurations

• What ISP Modem service link speeds UP and Down do you have? Link> Speed Testing Sites
• Check cable between Modem and Router, swap out to be sure. Link> Cat6 is recommended.
• Check ISP MTU requirements, Cable is usually 1500, DSL is around 1492 down to 1472. Call the ISP and ask. Link>Checking MTU Values
• For DSL/PPPoE connections on the router, ensure that "Always ON" option is enabled.
• If the ISP modem has a built in router, it's best to bridge the modem. Having 2 routers on the same line can cause connection problems: Link>Double NAT and How NAT Works. Call the ISP and ask to see if the ISP modem can be bridged. To tell if the modem is bridged or not, look at the routers web page, Status/Device Info/Wan Section, if there is a 192.168.0.# address in the WAN IP address field, then the modem is not bridged. If the modem can't be bridged then see if the modem has a DMZ option and input the IP address the router gets from the modem and put that into the modems DMZ. Also check the routers DHCP IP address maybe conflicting with the ISP modems IP address of 192.168.0.1. Check to see if this is the same on the ISP modem, and if modem can't be bridged, change the DIR router to 192.168.1.1 or .0.254.
  Example of a D-Link router configured for PPPoE with ISP Modem bridged: PPPoE Configuration on a Router

When you get the ISP modem bridged and get the 655 setup, review this for XBL setup on the router:
Gaming and QoS for XBL