dhclient with IPv6 and PD hints

[Bjørn Mork]

"Mike." <the.lists at mgm51.com> writes:
> On 4/4/2014 at 2:08 PM Mike. wrote:
>
> |What is the configuration file syntax to request a prefix delegation
> |of a size other than a /64?
> |
> |Comcast recently fired up IPv6 dual stack in my area.   The IA-PD
> |request gives me a /64 delegation.
> |
> |If I specify that I want a /60 in the PD hints, then Comcast will
> |delegate a /60 prefix to me so that I can split it up into /64 for
> my
> |subnets.
> |
> |
> |Only, I cannot seem to find out how to get the ISC dhclient program
> |to request the /60 via a PD hint.  
> |
> |
> |What am I overlooking?
> |
> |Thanks.
>  =============
>
>
>
> Anyone?

Looking at the code there doesn't seem to be any way to configure this.
Unless you have an existing lease, the request will be for ::/0,
i.e. whatever the server defaults to.

You might be able to hack it to do what you want by creating a lease
file with a suitable prefix-length.


Bjørn