netflix OCA in a CG-NAT world

Mon Nov 26 20:57:06 UTC 2018

On Tue, Nov 27, 2018 at 3:48 AM Grant Taylor via NANOG <nanog at nanog.org>
wrote:

> On 11/25/2018 09:47 PM, Dave Temkin wrote:
> > Putting an OCA with bypass through the CGN with RFC1918 space will
> > actually work just fine. We (Netflix) don't formally support it because
> > of the vast number of non-standard CGN implementations out there, but if
> > your clients are in RFC1918 space and the next hop router from the OCA
> > knows how to reach them, it will just work.
>
> Does this include RFC 6598 Shared Address Space, 100.64.0.0/10?  Or is
> it limited to RFC 1918 Address Space?
>
> Does it really matter what the private IPs are?  (I've seen people
> re-use publicly allocated but not publicly used IP address space.)  Or
> does it "just work" as long as the OCA's first hop knows how to reach
> the private IPs?
>
>
>
The latter.

-Dave
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