[lacnog] Fwd: [afnog] IPv 6 Point to Point at /64?

Nicolas Antoniello nantoniello en gmail.com
Mar Jun 5 18:24:55 BRT 2012


Hace poco en la lista y el el evento de LACNIC de Quito intercambiamos
opiniones sobre "que es lo más adecuado para direccionamiento de una
punto a punto"...

Les adjunto 2 mails sobre la discusión de los /64 para interfaces
punto a punto... (de un thread de AFNOG).

Me es grato saber que no estoy solo en la creencia de que un /126 es
suficiente para una PtP !!!

Saludos,
Nicolas


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From: Stephane Bortzmeyer <bortzmeyer en nic.fr>
Date: Tue, Jun 5, 2012 at 9:28 AM
Subject: Re: [afnog] IPv 6 Point to Point at /64?
To: Yasini Kilima <ykilima en tra.go.tz>
Cc: "afnog en afnog.org" <afnog en afnog.org>

> I know RFC 4291 requires us to configure our Point to Point hosts on
> ipv6 at /64

It has been deprecated by RFC 6164 "Using 127-Bit IPv6 Prefixes on
Inter-Router Links", which recommends a /127.


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On Tue, Jun 5, 2012 at 10:11 AM, Mark Tinka <mark.tinka en seacom.mu> wrote:
> On Tuesday, June 05, 2012 02:10:58 PM Yasini Kilima wrote:
>
>> Can you please Advise on this?
>
> At the end of the day, do what you feel is good for your
> network, provided you don't veer too far away from common
> network practice.
>
> We use /126's for point-to-point links, /112's for LAN's,
> /48 for large customer assignment and /56's for small/medium
> customer assignments.
>
> Other networks do other things.
>
> The one thing to remember is if you want SLAAC, you need to
> run a /64 on that LAN.
>
> The RFC's are great, but they don't always reflect
> operatioinal realities. So ingest them but be mindful of
> common sense too. In the end, the RFC's will rewrite
> themselves to catch up with the day.
>
> Mark.
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