[Kea-users] Problems trying to implement RFC 8925 (v6-only-preferred)

[Brian Candler]

On 28/07/2023 22:03, Dan Oachs wrote:
> I'm a little confused about what you are trying to do.  What don't you 
> like about the way it is working now?

I want to make this a pure IPv6-only network (not dual-stack), which means:

- not offering any IPv4 address to clients which don't support RFC 8925 
(which means detecting whether they request option 108, and not 
responding to clients which don't)

- more correctly following RFC 8925 by returning 0.0.0.0 in the offer 
(which would also allow me to support RFC 2563)

- not having to worry about IPv4 pool exhaustion

I *could* simply not run any DHCPv4 service at all, but macOS doesn't 
activate its CLAT unless it gets an RFC 8925 DHCPv4 response.
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