North American Network Operators Group

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RE: NAT66 and the subscriber prefix length

  • From: michael.dillon
  • Date: Wed Nov 19 10:39:32 2008

> My gripe was that I wanted to get an IPv6 allocation from 
> RIPE to start 
> testing how IPv6 would fit in the company that I work for and build a 
> dual stack network so that when the time comes, just switch 
> on IPv6 BGP 
> neighbors and update the DNS.
> But at almost 10.000 EUR per year it's an experiment I can't afford.

That is not an experiment.
An experiment is where you go to <>,
generate your own unique RFC 4193 prefix, and then implement your IPv6
network using that. When you are ready to switch on BGP peering with the
rest of the world, get a /32 from your RIR, and renumber the network
the interface IDs the same.

If you are concerned that renumbering will be hard, go back and generate
another ULA, and renumber your network as part of your experiment. 

--Michael Dillon