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Author Topic: AT&T and IPv6  (Read 2080 times)

jcdick1

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AT&T and IPv6
« on: February 09, 2022, 03:35:16 am »
I recently upgraded my router to 22.1 and also got AT&T fiber.  My RG is in passthrough mode so my OPNsense router gets the public IP.

I'd like to get IPv6 working properly, and have found a couple of threads from a year or more ago regarding changes to the dhcp6 conf file for multiple ia-pd and id-assoc entries to get multiple /64 delegations, for pfsense.

https://forum.netgate.com/topic/153288/multiple-ipv6-prefix-delegation-over-at-t-residential-gateway-for-pfsense-2-4-5

https://forums.att.com/conversations/att-fiber-equipment/ipv6-prefix-delegation-to-3rd-party-router-not-working-2020-edition/5e98da19fd08354359ccd447?commentId=5e9b3ea5758fed7722fd4361&replyId=5eb1a6b372a09d7a3fc8f1fb

I just wanted to check with anyone who might be able to confirm that this is proper for OPNsense 22.1 before I go mucking about in the conf files manually.

Thanks!
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jeffn2001

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Re: AT&T and IPv6
« Reply #1 on: February 10, 2022, 08:53:07 pm »
I hope you post some updates.
I've been trying to follow the instructions, but no luck.
If you say you're successful, then that would give me hope :)
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motoridersd

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Re: AT&T and IPv6
« Reply #2 on: June 21, 2022, 01:31:49 am »
Did you figure it out? I tried some quick configs and couldn't get IPV6 to work. Just got ATT Fiber today.
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lrosenman

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Re: AT&T and IPv6
« Reply #3 on: June 21, 2022, 02:51:03 am »
you can ONLY get ONE of the 8 PD's with the current opnsense setup.

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Vesalius

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Re: AT&T and IPv6
« Reply #4 on: June 22, 2022, 06:36:47 am »
Might be the same but here is another data point to read over that also includes a reference to OPNsense 22.1.

https://github.com/lilchancep/att-pfsense-ipv6
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nomka

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Re: AT&T and IPv6
« Reply #5 on: November 11, 2022, 10:27:57 pm »
Quote from: Vesalius on June 22, 2022, 06:36:47 am
Might be the same but here is another data point to read over that also includes a reference to OPNsense 22.1.

https://github.com/lilchancep/att-pfsense-ipv6

Thanks for sharing!

Since this is the first result for a google search for "att ipv6", just wanted to report back that I did bite the bullet manage to use the very well-written instructions in the link to get IPv6 working behind an AT&T RG in passthrough mode, despite the inane default behavior of only passing through one /64.

It requires some SSHing and manual config tuning but overall was painless.

OPNsense 22.7.6-amd64 w/ Arris RG
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