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David_Fiber's profile

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Monday, March 6th, 2023 9:30 PM

Recently Installed ATT Fiber within Complex

Recently--January 2023--AT&T installed fiber outside each townhome. By that I mean they put in fiber by digging up the asphalt. It looks like if someone orders the service they come out and make a connection to the fiber through a box that they also install on the outside of the home.

My question is how then do they distyribute the service within the house?

Do they use the coaxial cable that is used for COMCAST (my current provider). I ask because the old telephone wire in my 40 year old townhome became disconnected on some runs within the home. No idea how they broke/corroded. I haven't had a land line for 20 years so no issue for me.

1. So in short how do they get the internet connection to my TV and PCs?

2. I haven't decided yet if I will use some streaming TV service like YouTube TV or ATT's own service. 

3. I hope to by my own WiFi router that has a four port switch.


Accepted Solution

Official Solution


Community Support


215.5K Messages

3 months ago

We're happy to help clear things up, @David_Fiber!


When you see crews digging or placing cable, there is a chance service is on the way. That is not always the case, digging could mean new water, gas pipes, or power cables.


The first thing you'll need to do is verify that Fiber is available at your location. 


Once Fiber is available at your home, you'll be able to order service. For new AT&T Fiber customers, installation will require a technician to come to your home. You can expect the visit to take about four to six hours. 


ATT fiber internet does not use coax cable. The tech would run fiber into your home to the att gateway. You and the tech would discuss where the gateway would/could be located.


During your appointment, the technician will first find the best location for the AT&T Wi-Fi gateway in your home. Then, a new fiber service line may need to be run and fiber extended inside the home to the gateway. If a new fiber service line is needed, it will be buried sometime soon after the installation.


Learn more about what to expect during a Fiber installation appointment.


As far as connecting your devices goes, you'll be able to connect either via Wi-Fi, or via an Ethernet connection. 


When it comes to using a third party router behind your AT&T equipment, you'll need to configure IP Passthrough. This configuration is often suitable for a customer desiring to connect third party equipment for networking, such as a router, to the AT&T provided gateway. IP Passthrough is also commonly used as an alternative to using a bridged mode.

Note the following before configuring IP Passthrough mode:

  • Only one device can be put into passthrough mode.
  • Placing a device in passthrough mode will remove firewall protection provided by the AT&T gateway.
  • When a device is configured in passthrough mode, it will be assigned a WAN IP instead of a LAN IP. Other devices connected to your gateway may no longer be able to share files with the device in passthrough mode.

Please let us know if you have any other questions!


Lacey, AT&T Community Specialist 



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