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No Nat November: My Month Without IPv4
AT November: My Month Without IPv4ipv6 networking Day 0: Challenge accepted Near the beginning of November, nixCraft posted this challenge on Mastodon, daring people to take the No NAT November challenge and disable IPv4 for the month, relying only on IPv6: With the challenge laid out like that, I couldn’t resist. Conclusions I know this is quite a long and technical post, so I figured it makes sense to put a conclusion about my experience near the beginning.
Having exhausted my collection of current-gen consoles, the other obvious problem I encountered right away is that despite being able to route IPv6 traffic without any concerns, all of my home networking gear seems to be IPv4-only when it comes to management interfaces. This allows the device to act like it has a fully normal and functional IPv4 stack, while transparently translating packets in the background to be able to handle an IPv6-only transit layer. As part of this experimentation, I ended up deploying a full OpenBSD home router setup to create an IPv6-mostly network which implements all of the relevant RFCs (including NAT64, DNS64, PREF64 and Op108).
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