nanog mailing list archives

Re: using "reserved" IPv6 space


From: -Hammer- <bhmccie () gmail com>
Date: Fri, 13 Jul 2012 09:43:42 -0500

Leo/Jeroen,
Thank you both. That is the simple answer that I wasn't thinking of. I'm not as IPv6 savvy as I need to be (yet) so I haven't put all the pieces together when trying to look at the bigger picture. Thanks again.

-Hammer-

"I was a normal American nerd"
-Jack Herer



On 7/13/2012 9:41 AM, Jeroen Massar wrote:
On 2012-07-13 16:38, -Hammer- wrote:
OK. I'm pretty sure I'm gonna get some flak for this but I'll share this
question and it's background anyway. Please be gentle.

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.
There is this very nice concept called ULA (RFC4193), use it.
If you want to be more sure about uniqueness, use
  http://www.sixxs.net/tools/grh/ula/
or you can also just use a chunk of your 'global' prefix and don't
announce a route for it and firewall it off properly.

Greets,
  Jeroen



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