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What does your IPv6 setup look like? (feddit.org)
submitted 4 months ago by to c/selfhosted@lemmy.world
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except for nor using it at all, of course.

So I want to make my homelab IPv6 ready, because I have too much free time, i guess. There are two decisions that I'm currently unsure about:

  1. ULA or not. Do you have local only addresses or do your clients communicate using the global IPv6 address? Does not using ULAs work without a static IP from the ISP?
  2. DHCPv6 or is SLAAC enough?

For each question both options seem to be possible and I'm interested in your experience

Cheers

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[–] 5 points 4 months ago (1 child)

I use global addresses for everything. ULA is the equivalent of the private networks like 10.0.0.0/8 on IPv4. It doesn't need a static IP. ULA will work without any internet connection. If you run an IPv6 only network, it would be a good idea to set up ULA so you can access your local devices if the internet goes down.

I only use SLAAC on my network because DHCPv6 is not well supported. My router does use DHCPv6 to get a prefix from the ISP though.

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  • [–] 3 points 4 months ago

    set up ULA so you can access your local devices if the internet goes down

    your router should retain its address even if the external connection goes down.

    DHCPv6 is not well supported

    Androids get SLAAC, everybody else can have a nice, readable, stable, firewall-openable suffix.

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