DHCPv6 PD & Routing Questions

Mon Nov 23 22:19:40 UTC 2015

> On Nov 23, 2015, at 12:27 , Mark Andrews <marka at isc.org> wrote:
> 
> 
> In message <29055E3F-B923-4E21-8513-60CC8C14A6C9 at delong.com>, Owen DeLong writes:
>> 
>>> On Nov 23, 2015, at 00:53 , Tarko Tikan <tarko at lanparty.ee> wrote:
>>> 
>>> hey,
>>> 
>>>> So I'd say there is equipment out there that works, as expected, but as
>>>> seen in this thread, plenty of equipment that doesn't.
>>> 
>>> Latest OpenWrt releases include https://github.com/sbyx/odhcpd as
>> DHCPv4/6 server. This enables hierarchical PD on these platforms, ie.
>> subdelegate /64s from the /56 PD prefix you received from SP.
>>> 
>>> It's not the most configurable thing at this point but it does the job.
>> 
>> If your SP is giving you a /56, you should complain and ask for a proper
>> /48.
>> 
>> Especially if you’re doing any real hierarchical PD.
>> 
>> Owen
> 
> Or you just don't do heirarchial routing / PD inside the site.  It isn't needed.
> 65000 intra site routes isn't that hard handle nor is 65000 PD's for the border
> routers.

Yes, but to get to 65000 intrasite routes, you’ve got to already have that /48 I was
suggesting you ask for.

Owen