[154796] in North American Network Operators' Group
RE: using "reserved" IPv6 space
daemon@ATHENA.MIT.EDU (Leo Vegoda)
Fri Jul 13 10:42:39 2012
From: Leo Vegoda <leo.vegoda@icann.org>
To: -Hammer- <bhmccie@gmail.com>, "nanog@nanog.org" <nanog@nanog.org>
Date: Fri, 13 Jul 2012 07:41:37 -0700
In-Reply-To: <500032E4.40804@gmail.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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Hammer wrote:
> In the past, with IPv4, we have used reserved or "non-routable" space
> Internally in production for segments that won't be seen anywhere else.
> Examples? A sync VLAN for some FWs to share state. An IBGP link between
> routers that will never be seen or advertised. In those cases, we have
> often used 192.0.2.0/24. It's reserved and never used and even if it did
> get used one day we aren't "routing" it internally. It's just on
> segments where we need some L3 that will never be seen.
>
> On to IPv6
>
> I was considering taking the same approach. Maybe using 0100::/8 or
> 1000::/4 or A000::/3 as a space for this.
Why can't you just generate a ULA and use that?
Regards,
Leo
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