[Kea-users] Two questions regarding to kea subnet configuration

[David Farje]

Definitely string ID is nicer to manage.  The thing is, Kea seems to be
designed to support a large number of subnets and DB backend.  In this case
it is better to use an integer because I don't think you want a string
based primary key on a DB table with millions of entries.

Regarding your second question I believe you may find some answers here:
https://kea.readthedocs.io/en/kea-2.4.0/arm/dhcp4-srv.html#address-allocation-strategies-in-dhcpv4

Regards,
David


On Mon, May 6, 2024 at 9:21 AM <mxhajduczenia at gmail.com> wrote:

> I can confirm – the lack of support for string ID is pretty annoying right
> now, and forces me to create ranges for specific applications, which will
> not scale well in production.
>
>
>
> On the second one, I observed that it goes numerically from the bottom of
> the pool range up, so ::2, ::3, etc. In ISC, it seems to have been random
> selection from the pool, with attempt made to populate all stanzas. Kea
> seems to prefer numerically incrementing assignment, which is pretty bad
> for security purposes (if a user knows it, they can pretty much guess
> previous assignments). I preferred personally the old ISC way of doing
> things.
>
>
>
> Marek
>
>
>
> *From:* Kea-users <kea-users-bounces at lists.isc.org> *On Behalf Of *Xiao,
> Yu (CCI-Atlanta) via Kea-users
> *Sent:* Monday, May 6, 2024 6:10 AM
> *To:* Kea user's list <kea-users at lists.isc.org>
> *Cc:* Xiao, Yu (CCI-Atlanta) <yu.xiao at cox.com>
> *Subject:* [Kea-users] Two questions regarding to kea subnet configuration
>
>
>
> Greetings,
>
>
>
> I have two questions related to the kea design. First, seems currently we
> can only assign numeric IDs to subnets, but for subnet management, it’s
> more convenient to use a string, is it possible to add this feature?
> Second, how kea design to distribute the ip addresses inside of the subnet
> esp ipv6 subnet? Is it totally random? Thank you.
>
>
>
>
>
>
>
>
>
> Best Regards,
>
> Yu
>
>
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