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Home network - possible to go IPv6-only? (sh.itjust.works)

submitted 1 year ago by [email protected] to c/[email protected]

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Hi. This is my first post on Lemmy.

I want to test going IPv6-only in my home. I already enabled IPv6 functionality on my router. I can get two addresses from it on my computer: 192.168.0.x and 2402:xxxx (sorry, cannot remember the full address). My router shows two WAN IP: 100.64.x.x and 2402:xxxx.

If I disable IPv4 DHCP on my router, my computer shows only the IPv6 address, but many websites break. Is it not possible to go IPv6-only?

Sorry if I am not clear, I am not good in speaking English.

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[–] [email protected] 2 points 1 year ago

In general, yes, this is possible. However, it is more difficult than just disabling IPv4 on all your devices.

First of all, there are still many (more or less relevant) sites that still are IPv4-only. If you want to reach them via your IPv6-only home network, you need to set up or use services that translate your traffic from IPv4 to IPv6 and vice versa. But this can be error-prone and needs work and understanding of the matter from your side.

The easiest is that you just leave IPv4 and IPv6 enabled in parallel. Your operating system will usually prefer IPv6 over IPv4 if it's available.