RE: using "reserved" IPv6 space

[Leo Vegoda <leo.vegoda () icann org>]

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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