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

[Dan Geist]

It was actually IPv6, so: 
https://kea.readthedocs.io/en/kea-2.4.0/arm/dhcp6-srv.html#allocation-strategies-in-dhcpv6 

----- On May 6, 2024, at 12:12 PM, David Farje <davidabelfarje at gmail.com> wrote: 

> 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
> |
> 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 < [ mailto:mxhajduczenia at gmail.com |
> 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 < [ mailto:kea-users-bounces at lists.isc.org |
>> 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 < [ mailto:kea-users at lists.isc.org | kea-users at lists.isc.org
>> ] >
>> Cc: Xiao, Yu (CCI-Atlanta) < [ mailto:yu.xiao at cox.com | 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

>> --
>> ISC funds the development of this software with paid support subscriptions.
>> Contact us at [ https://www.isc.org/contact/ | https://www.isc.org/contact/ ]
>> for more information.

>> To unsubscribe visit [ https://lists.isc.org/mailman/listinfo/kea-users |
>> https://lists.isc.org/mailman/listinfo/kea-users ] .

>> Kea-users mailing list
>> [ mailto:Kea-users at lists.isc.org | Kea-users at lists.isc.org ]
>> [ https://lists.isc.org/mailman/listinfo/kea-users |
>> 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 at lists.isc.org
> https://lists.isc.org/mailman/listinfo/kea-users

-- 
Dan Geist dan(@)polter.net 
http://www.polter.net 
(404)786-6206 
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.isc.org/pipermail/kea-users/attachments/20240506/08661d32/attachment-0001.htm>