nanog mailing list archives

Re: IPv6 Unique Local Addresses


From: Owen DeLong <owen () delong com>
Date: Fri, 2 Mar 2018 04:09:33 -0800


On Mar 2, 2018, at 3:50 AM, sthaug () nethelp no wrote:

ULA at inside and 1:1 to operator address in the edge is what I've
been recommending to my enterprise customers since we started to offer
IPv6 commercially. Fits their existing processes and protects me from
creating tainted unusable addresses.

Oh, please. NAT all over again? That's another inherently very good reason
NOT to use ULA.

You don't have to like it, but IPv6 NAT is already happening. Wishing
it would go away won't make it happen…

Truth.

Just like I can’t cure AIDS just by wishing, but I’m pretty sure that without people
talking about it, it wouldn’t go away either.

We're using ULA for our lab here, with the very explicit goal that the
boxes in question should *not* connect to the Internet. We're not using
IPv6 NAT, but I can certainly see the point of what Saku Ytti suggested.

Steinar Haug, Nethelp consulting, sthaug () nethelp no <mailto:sthaug () nethelp no>

We can agree to disagree. It’s not even unusual at this point.

Owen



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