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khapunkap's profile

New Member

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5 Messages

Thu, Jun 30, 2022 5:20 AM

Questions for people with AT&T fiber: equipment and IPv6 support

OK, hopefully this sub can answer my questions, because non of the other places I've asked, including AT&T themselves, have been able provide answers.

Can I use my own equipment? I have a UDM pro that can accept a fiber connection directly. If not, how is the equipment they provide? Are you "renting" it or do you pay up front? If I'm stuck with their lemon box can I at least minimize its impact on my network?

What kind of IPv6 support do they offer, if any? Is it native IPv6 or something else? What size prefix will they provision? Comcast will give you a /60 if you set your router to ask for it. I want to self host a bunch of stuff and having lots of available global addresses helps with that.

tonydi

ACE - Guru

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6.1K Messages

1 分钟前

If you haven't found this info other places, you need better other places.  😁

AT&T Fiber uses a gateway and, in some cases, an ONT which converts the fiber to Ethernet for the gateway.  In other cases the fiber goes directly into the gateway which has an internal ONT.  Which you get will depend on what type of fiber is being fed to your place (GPON or XGS-PON), the speed package you order and exactly what the local inventory has available at the time. 

They say you must use their equipment. 🤫

Currently AT&T doesn't (technically) charge for the equipment like they've done in the past, but when that changed they just added the two charges into one for the service. 

These "lemon boxes" have a feature called IP Passthrough.  Not really a true bridge mode but it's as close as you'll get.

IPv6 is native, some say it's a flaky implementation, others say they have no problem.  I suspect it depends on what you're trying to accomplish.

You can order a Static IP block, /29, for I think it's $15/mo.  Don't ask me how you do that because I never have and lots of people try to order it from AT&T and are met with crickets or passed around for hours to different depts.  Clearly there's a way, I just don't know the secret handshake and whose hand to shake. 

Maybe someone who had done this recently will pop in here.

(edited)

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