this post was submitted on 16 Apr 2026
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I noticed by accident that in my home network IPv6 is not functional, so I decided to fix that, and started studying about IPv6.

I have an opnSense firewall which connect to my ISP port as WAN, and then the LAN. The point is that o do not get a GUA on my WAN, but I get it if I connect directly a pc to the ISP port....

The opnSense seems to be configured properly, and the ISP itself do provide IPv6 as I can get a GUA address when I connect my Linux laptop to the ISP router, so I am not sure...

Anybody has any hints?

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[–] Akip@piefed.world 6 points 2 months ago (1 children)

shot in the dark, because I've made that mistake before, if you got dyndns setup, it needs to be from the server not the router for ipv6 to work.

[–] Shimitar@downonthestreet.eu 2 points 2 months ago (1 children)

Mm no, not using dyndns. I am missing IPv6 support on the LAN side... But I have it on the wan side

[–] Archer@lemmy.world 1 points 2 months ago

You can technically use the IPv6 local space just like IPv4 and NAT it all, but it’s so much nicer to have globally routable addresses