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[Question] what exactly is hard about adopting IPv6?? (programming.dev)

submitted 1 year ago by danhab99@programming.dev to c/networking@sh.itjust.works

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I mean on a technical level. Are the devices that make up the infrastructure of the internet hardwired with IPv4? Is the firmware on these devices impossible to upgrade remotely?

If it's just a matter of software or firmware then adoption should only take like a year but clearly that isn't the case. So what specifically is stopping us?

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[–] Coelacanthus@infosec.pub 1 points 1 day ago

No. It's not random. SLAAC uses EUI-64 by default, it generate fixed /64 suffix from MAC. And with suffix match of nftables you can still do device specific income firewall rules. For random privacy address, it's only used for outcome so just block all other income of IPv6 addresses except EUI-64 is enough.