4.2.0, ipv6 and pd over ppp0

Aaron Murrihy aaron_m at aaron-m.co.nz
Sun Aug 22 12:48:43 UTC 2010

I have attached the entire script, but have commented the bit I have
changed. It's just a single line. Search for "Aaron" and you'll find
Unfortunately the changes I have made to the script are absolutely
terrible in that the interface is hard-coded. I just wanted something
that worked, for now at least.
If you come up with something nicer, I'd appreciate it if you let me know.

On Mon, Aug 23, 2010 at 12:10 AM, Udo van den Heuvel <udovdh at xs4all.nl> wrote:
> On 2010-08-22 14:02, Aaron Murrihy wrote:
>> I have been working with prefix delegation with dhcp-4.1.1, and I
>> believe (This is the only way I discovered to do it at least) that you
>> have to add into /sbin/dhclient-script code to add the prefix to a
>> specified interface, using a simple command like ip -6 addr add
>> $prefix dev $interface.
>> If anyone has any other (or better) ideas, I would be very keen to hear them.
> Thanks a lot for your response!
> At least someone appears to have PD working.
> Please, do you have a patch for dhclient-script? (just to be sure we all
>  get this working)
> Later we might make all this configurable someway?
> I.e.: get PD, and put numbers on ifA and ifB. (or also ifC and ifD)
> Udo
>> On Sat, Aug 21, 2010 at 6:37 AM, Udo van den Heuvel <udovdh at xs4all.nl> wrote:
>>> On 2010-08-20 18:20, Udo van den Heuvel wrote:
>>>> I run it like:
>>>> ./dhclient -6 -P -d -v ppp0
>>>> I see the client do IA_PD etc and also see a message status code Success.
>>>> But where does the PD go?
>>>> Does the client store the Prefix?
>>>> Assign it to an interface?
>>>> I did not find a race of such action.
>>>> Can someone please shine a light on this?
>>> Hmm. I found this here:
>>> http://lists.cluenet.de/pipermail/ipv6-ops/2009-December/002769.html
>>> Bjørn Mork asks the right questions:
>>> I'm interested in how I
>>> configure the *client* to request a PD and configure one or more
>>> interfaces based on that.  The main problem is: How do I tell the client
>>> that I want to allocate subnet X from the delegated /48 or /56 to
>>> interface I, and subnet Y from the /48 or /56 to interface J?
>>> Bonus for some way to trigger radvd to announce a subnet on one or more
>>> interfaces, and extra bonus for some way to trigger dhclient based on
>>> received RA flags (don't know if that is feasible as long as the
>>> autoconf is done by the kernel?).
>>> Were any of these answered somewhere?
>>> I.e.: can we actually /use/ `dhclient -6 -P`?
>>> Kind regards,
>>> Udo
> _______________________________________________
> dhcp-users mailing list
> dhcp-users at lists.isc.org
> https://lists.isc.org/mailman/listinfo/dhcp-users
-------------- next part --------------
A non-text attachment was scrubbed...
Name: dhclient-script
Type: application/octet-stream
Size: 8723 bytes
Desc: not available
URL: <https://lists.isc.org/pipermail/dhcp-users/attachments/20100823/6cda91ba/attachment.obj>

More information about the dhcp-users mailing list