I wouldn't be surprised if a lot of the hardware under management (e.g. IP cameras, NVRs, cable modems) lacks support for IPv6, and/or the customer networks that it's resident on don't have working IPv6 transit.

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zokier 2 hours ago | parent | next [-]

The solution is to run ipv6 on the overlay and have the customer site gateway thing they have to translate it to target ipv4. Conveniently you can do the translation it more or less statefully and very easily because you can just embed the ipv4 addr in ipv6. For example you could grab a /64 prefix, assign 32 bits to customer/gateway id and other 32 bits to target ipv4 addr.

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reactordev 2 hours ago | parent | prev [-]

It’s definitely on the software side… The human side.

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eqvinox an hour ago | parent [-]

The squishy side.

Coincidentally I think that's an overestimation on the number of devices that don't support IPv6. At this point, vendors have to go out of their way to disable IPv6, and they lose out on some government/enterprise tenders that require IPv6 even if they're not running it (yet).

	▲	reactordev 16 minutes ago \| parent [-]
		Right, IPv6 is baked into the NIC, so it’s up to developers to use it.