[Kea-users] [EXTERNAL] Re: ipv6 prefix delegation

[Geist, Dan (CCI-Atlanta)]

Hi, Joe. It depends on your access architecture. In the case of DOCSIS (cable) and PON, the access routers are behaving as relay agents and announce the route “automagically” after observing the completed DHCPv6 transaction. Unsure of other technologies, but I have to think they are similar. I’ve personally used scripts like you’re describing (although not as a kea hook) in virtual PoC spaces and it worked well.

Dan

From: Kea-users <kea-users-bounces at lists.isc.org> on behalf of Joe Botha <joe at swimgeek.com>
Date: Wednesday, November 30, 2022 at 7:01 AM
To: kea-users at lists.isc.org <kea-users at lists.isc.org>
Subject: [EXTERNAL] Re: [Kea-users] ipv6 prefix delegation
Hi

I was wondering how you handle the extra route that needs
to get added after the DHCPv6 PD-Pool lease event, the
pd-pool route.

Do you use a hook script?

I'm looking into doing it with a hook script via Salt-minion.

--
Swimmingly,
 Joe

swimgeek.com/blog  +27 82 562 6167  instagram.com/joe.swimgeek
      "...all progress depends on the unreasonable man.”


>>> On 30 Nov 2022, at 02:32, Kevin P. Fleming <lists.kea-users at kevin.km6g.us> wrote:
>>>
>>> On Tue, Nov 29, 2022, at 19:28, Alan Batie wrote:
>>>> I'm trying to setup a kea server to replace our isc-dhcp server and used
>>>> the keama tool to generate a config file. In the ipv6 config, it
>>>> silently commented out all the prefix delegation sections:
>>>>
>>>>       "pd-pools": [
>>>> //        {
>>>> //          # Customer lan delegated prefixes
>>>> //          "prefix": "2607:f678:2000::",
>>>> //          "delegated-len": 60,
>>>> //          "prefix-highest": "2607:f678:2fff::"
>>>> //        }
>>>>
>>>> Will kea do prefix delegation?
>>>
>>> Yes, as documented in the Kea ARM (Administrator Reference Manual): https://urldefense.com/v3/__https://kea.readthedocs.io/en/latest/arm/dhcp6-srv.html*subnet-and-prefix-delegation-pools__;Iw!!Hit2Ag!0NfH6jpJyB4wKrsdkRGh8U8fiAeAZGNl9IfeOGI272UUyO3h7-uojIvZWCAKEvKZGhPg341eDHs$<https://urldefense.com/v3/__https:/kea.readthedocs.io/en/latest/arm/dhcp6-srv.html*subnet-and-prefix-delegation-pools__;Iw!!Hit2Ag!0NfH6jpJyB4wKrsdkRGh8U8fiAeAZGNl9IfeOGI272UUyO3h7-uojIvZWCAKEvKZGhPg341eDHs$>
>>>
>>> Given the nature of the project you are undertaking, it's likely best not to just assume that 'keama' will give you a working and supportable configuration... you'll need to understand how Kea operates and how it is configured as well.
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