this post was submitted on 17 Jun 2023
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Cannot reach one specific IPv6 from one specific network (lemmy.world)
submitted 2 years ago by TwinTurbo@lemmy.world to c/sysadmin@lemmy.world
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cross-posted from: https://lemmy.world/post/224140

My home ISP does CGNAT for IPv4, but provides native IPv6. I can use IPv6 just fine to access most of my resources, except for one specific server. I can access the server over IPv4 from my home network, and either over v4 or v6 from other networks I've tried. But I can't access it over IPv6 from my home network.

What could be the problem here? Where do I begin to diagnose it

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[–] giacomo@lemmy.world 1 points 2 years ago

I bet they get less reports on ipv6 issues than with ipv4. I have definitely seen carriers have ipv4 routing issues in enterprise networking.