Yes, for option 108 to work and have an IPv6-mostly network, you need an IPv4 pool available. I believe Kea needs to temporarily allocate an IP address for the DHCP request, then the client rejects or ignores it if the client supports being on an IPv6 only network. If the pool has no addresses available, it can't respond appropriately.
Option 108, as far as I know, is not really meant to be used in an IPv6 only network. It allows you to decrease your IPv4 usage for devices that know they can live on an IPv6 only network, but other devices ( like windows laptops ) won't use option 108 and will want an IPv4 address. --Dan On Wed, May 22, 2024 at 5:57 AM Francis Dupont <fdup...@isc.org> wrote: > Looking the RFC 8925 to try to understand how it is supposed to work... > I think you should add a pool and have the client to ignore the offered > address (it is the only MUST in client and server behaviors which can make > the feature to work). I leave further details to Tomek who is one of the > authors... > > Regards > > Francis Dupont <fdup...@isc.org> > -- > ISC funds the development of this software with paid support > subscriptions. Contact us at https://www.isc.org/contact/ for more > information. > > To unsubscribe visit https://lists.isc.org/mailman/listinfo/kea-users. > > Kea-users mailing list > Kea-users@lists.isc.org > https://lists.isc.org/mailman/listinfo/kea-users >
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