[186034] in North American Network Operators' Group
Re: DHCPv6 PD & Routing Questions
daemon@ATHENA.MIT.EDU (Owen DeLong)
Mon Nov 23 17:22:08 2015
X-Original-To: nanog@nanog.org
From: Owen DeLong <owen@delong.com>
In-Reply-To: <20151123202706.6A0A83D76305@rock.dv.isc.org>
Date: Mon, 23 Nov 2015 14:19:40 -0800
To: Mark Andrews <marka@isc.org>
Cc: nanog@nanog.org
Errors-To: nanog-bounces@nanog.org
> On Nov 23, 2015, at 12:27 , Mark Andrews <marka@isc.org> wrote:
>=20
>=20
> In message <29055E3F-B923-4E21-8513-60CC8C14A6C9@delong.com>, Owen =
DeLong writes:
>>=20
>>> On Nov 23, 2015, at 00:53 , Tarko Tikan <tarko@lanparty.ee> wrote:
>>>=20
>>> hey,
>>>=20
>>>> 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.
>>>=20
>>> 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.
>>>=20
>>> It's not the most configurable thing at this point but it does the =
job.
>>=20
>> If your SP is giving you a /56, you should complain and ask for a =
proper
>> /48.
>>=20
>> Especially if you=E2=80=99re doing any real hierarchical PD.
>>=20
>> Owen
>=20
> 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=E2=80=99ve got to already =
have that /48 I was
suggesting you ask for.
Owen