[stork-users] reservations-out-of-pool

[Slawek Figiel]

Ronald,

see the section 5 in this KB article: 
https://kb.isc.org/v1/docs/en/kea-performance-optimization and these ARM 
pages:

- DHCPv4: 
https://kea.readthedocs.io/en/kea-2.6.1/arm/dhcp4-srv.html#fine-tuning-dhcpv4-host-reservation
- DHCPv6: 
https://kea.readthedocs.io/en/kea-2.6.1/arm/dhcp6-srv.html#fine-tuning-dhcpv6-host-reservation

Regards
Slawek Figiel

On 1/9/25 3:07 PM, DDFR | Ronald Blaas wrote:
> Hi Slawek,
> 
> Thanks for your reply
> 
> It is unclear to me wether I have to change my config or this is a 
> checker problem.
> 
> I can find the substition for reservation-mode to "reservations-out-of- 
> pool" but it is unclear how to set this in the config.
> I could not find a config example for this.
> 
> Maybe you have an example for me?
> 
> Regards,
> 
> Ronald
> 
> ------------------------------------------------------------------------
> *From:* Slawek Figiel <slawek at isc.org>
> *Sent:* Thursday, January 9, 2025 14:38
> *To:* stork-users at lists.isc.org <stork-users at lists.isc.org>; DDFR | 
> Ronald Blaas <ronald.blaas at ddfr.nl>
> *Subject:* Re: [stork-users] reservations-out-of-pool
> Hello Ronald!
> 
> The "reservation-mode" parameter was supported in the 1.8.X branch of
> Kea DHCP. The behaviors have changed in the 1.9 branch: more flexible
> configuration options were introduced called "reservations-global",
> "reservations-in-subnet" and "reservations-out-of-pool" to replace the
> old "reservation-mode" parameter.
> 
> Stork supports both approaches and works properly no matter how you set
> the out-of-pool mode.
> 
> In Kea 2.6.x, you need to set the out-of-pool mode by the
> "reservations-out-of-pool" parameter.
> 
> I opened https://eur05.safelinks.protection.outlook.com/? 
> url=https%3A%2F%2Fgitlab.isc.org%2Fisc-projects%2Fstork%2F- 
> %2Fissues%2F1668&data=05%7C02%7Cronald.blaas%40ddfr.nl%7C7c2790e28fd34c90ff6408dd30b2d93c%7C61b60fb772d74ba78225d9b5369d780a%7C0%7C0%7C638720266921208795%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=CRyiMGTQqkdmYAyUyuckrjDC%2F53EqELk4bA0mN8d5lw%3D&reserved=0 <https://gitlab.isc.org/isc-projects/stork/-/issues/1668> to
> improve the checker message.
> 
> Thank you for your feedback!
> Regards,
> Slawek Figiel
> 
> 
> On 1/9/25 11:36 AM, DDFR | Ronald Blaas wrote:
>  > Hi All,
>  >
>  > Just notices something
>  >
>  >
>  > In Stork (v2.0.0)  I see a configuration issue
>  >
>  >
>  > /Kea /daemon [29] dhcp4 <https:// 
> eur05.safelinks.protection.outlook.com/?url=https%3A%2F%2Fstork- 
> test.ddfman.nl%3A8080%2Fapps%2Fkea%2F14&data=05%7C02%7Cronald.blaas%40ddfr.nl%7C7c2790e28fd34c90ff6408dd30b2d93c%7C61b60fb772d74ba78225d9b5369d780a%7C0%7C0%7C638720266921228155%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=b7BO2FJy6MfaoRB9nAM0LpEq3n25535OSmTs2dMvDEQ%3D&reserved=0?
>  > daemon=dhcp4>/configuration includes 2 subnets for which it is
>  > recommended to use out-of-pool host-reservation mode. Reservations
>  > specified for these subnets are outside the dynamic address pools. Using
>  > out-of-pool reservation mode prevents Kea from checking host-reservation
>  > existence when allocating in-pool addresses, thus improving performance./
>  >
>  > /
>  > /
>  >
>  > /
>  > /
>  >
>  > But this option "reservation-mode" has been removed from isc-kea 2.6.x ?
>  >
>  >
>  > So my guess is that stork needs an update in the checkers
>  >
>  > Could this be confirmed?
>  >
>  >
>  > Thanks for any clarification 🙂
>  >
>  >
>  > Regards,
>  >
>  >
>  > Ronald
>  >
>  >
>  >
>