nanog mailing list archives

Re: IPv6 woes - RFC


From: Owen DeLong via NANOG <nanog () nanog org>
Date: Sat, 18 Sep 2021 20:53:28 -0700



On Sep 18, 2021, at 13:25 , John R. Levine <johnl () iecc com> wrote:

As you noted John, its the plethora of software, support systems, tooling,
and most important in many environments - legacy customer management and
provisioning systems that can be the limiting factor. ...

Just looking around my office, I have a Cisco SPA112 two-port ATA.  It's been discontinued but Cisco says they will 
support it through 2025 and they shipped a firmware update in 2019.  It works fine on IPv4 behind a NAT. It has no v6 
support at all and never will.  Multiply that by a zillion and you can see that IPv4 isn't going away any time soon.

This isn’t about removing IPv4 from every last corner of the internet. It’s about adding IPv6 to the content providers 
that are blocking the ability to build new eyeball networks v6 only.

Owen


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