Perhaps you could make use of the "include" mechanism? https://kea.readthedocs.io/en/kea-2.7.5/arm/config.html#configuration-files-inclusion
On Tue, Jan 14, 2025 at 2:25 PM Owen DeLong <o...@delong.com> wrote: > > Is there any way to at least template the configuration so that I don’t have > to change every occurrence of the prefix in the > Entire file, but rather change a configuration variable that is referenced > everywhere? > > I’m presuming some variant of the concat() expression commonly used in client > classing might be useful here, but It’s not > Clear to me how widely expressions can be used in a kea configuration file > outside of client classes. > > If that capability doesn’t currently exist, it’s probably very much worth > adding to the enhancements list. > > Owen > > > > On Jan 14, 2025, at 10:02, Darren Ankney <darren.ank...@gmail.com> wrote: > > > > Hi Owen, > > > > I can't think of anyway from within Kea to do this. Kea would have no > > knowledge of what prefix was delegated. I would say that you would > > need to do scripts or find some consumer device that already does this > > for you (e.g., perhaps one of the ASUS routers?). > > > > Thank you, > > Darren Ankney > > > > On Tue, Jan 14, 2025 at 4:33 AM Owen DeLong via Kea-users > > <kea-users@lists.isc.org> wrote: > >> > >> I’ve got a router running on a linux box using IPv4 NAT, and the KEA dhcp4 > >> configuration is limited, but simple because my only option is to assign > >> static RFC-1918 subnets and NAT them. > >> > >> However, for IPv6, I’m receiving an IA_PD and I’m able to use > >> systemd-networkd to put the prefixes on the interfaces, but I’m stumped > >> how to get KEA to pick up those prefixes to build DHCPv6 pools for address > >> assignment. Sadly, I’ve got a few devices that won’t do SLAAC (yes, I know > >> this is sacrilege, but I lack leverage to move the vendors in question). > >> My clients that speak SLAAC are getting valid information and working. > >> > >> However, I’d like to provide M+O bits and do some reservations and > >> stateful DHCPv6 in some cases. However, I don’t want to have to go in and > >> edit the kea-dhcp6.conf every time the upstream decides to change the > >> delegated prefix, so I’m trying to avoid hardcoding a dynamic prefix into > >> the kea configuration file. > >> > >> Is there currently any way to do this in KEA? I suppose worst case, I can > >> write scripts to update the kea configuration and put them in > >> systemd-networkd hooks so that when the prefix is changed, they update > >> kea, but that feels horribly hacky and I can’t help but think this would > >> be a common implementation situation in the SOHO world. > >> > >> Any pointers or assistance greatly appreciated. If the question is asked > >> and answered, links are appreciated as I haven’t found the answer in any > >> of my searching so far. > >> > >> Thanks, > >> > >> Owen > >> > >> -- > >> 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 > -- 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
