Anyone self-hosters using IPv6 internally with k8s/k3s? (lemmy.ca)

submitted 1 year ago by kelvie@lemmy.ca to c/selfhosted@lemmy.world

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Just wondering how many of us use ipv6 for our local hosts, as with my router upgrade, my ISP only allows me to have 253 IP ipv4 addresses (and I don't want to have to buy a new router/gateway, a 10gbe router/gateway is expensive).

Anyway, do you guys use statically assigned ULA addresses? Statically assigned global addresses? DHCPv6? SLAAC? What do you guys do for DNS resolution, avahi/mdns everywhere (given that ipv6 addresses seem to change all the time).

I've currently mostly gotten ipv6 working (dual stack) on machines I touch, my my k3s cluster is out of commission until I can figure out a way to not have them consume any precious ipv4 addresses.

I'm not even sure what prefix I want to choose for the cluster / service CIDR, should I be using a ULA or the one specified https://docs.k3s.io/installation/network-options#dual-stack-ipv4--ipv6-networking, 2001:cafe:42::

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[-] meteokr@community.adiquaints.moe 2 points 1 year ago

I see, that makes a lot more sense then. Always fun when "upgrades" remove functionality.

this post was submitted on 03 Jul 2023

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