Monday, July 9, 2018

RFC1918 vs RFC6598: Who's using it?

Currently we're using RFC1918 space for CGNAT applications. It works well enough, but obviously CGNAT is the pile of trash it is. We're getting IPv6 started in, but obviously IPv4 will be here for a while longer.

I was curious if it's worth the effort to switch our customer CGNAT network from 172.16.0.0/20 space to RFC6598 100.64.0.0/10 space? I know some devices like Apple Airport and all detect 1918 and will bridge themselves, I was curious how well others have seen 6598 behave in the wild. Adverse effects, improvements, etc? Or does the customer experience not change at all and it's not worth the time even writing this post?



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