Mark Andrews marka at
Fri Feb 19 21:26:29 UTC 2021

I’m sure the large parts of the world already doing this would disagree.
Mark Andrews

> On 20 Feb 2021, at 07:11, Tony Wicks <tony at> wrote:
> Because then a large part of the Internet won't work....
> From: NANOG < at> on behalf of Mark Andrews <marka at>
> Sent: Saturday, 20 February 2021, 9:04 am
> To: Steve Saner
> Cc: nanog at
> Subject: Re: CGNAT
> Why not go whole hog and provide IPv4 as a service? That way you are not waiting for your customers to turn up IPv6 to take the load off your NAT box.
> Yes, you can do it dual stack but you have waited so long you may as well miss that step along the deployment path.
> -- 
> Mark Andrews
>>> On 20 Feb 2021, at 01:55, Steve Saner <ssaner at> wrote:
>> We are starting to look at CGNAT solutions. The primary motivation at the moment is to extend current IPv4 resources, but IPv6 migration is also a factor.
>> We've been in touch with A10. Just wondering if there are some alternative vendors that anyone would recommend. We'd probably be looking at a solution to support 5k to 15k customers and bandwidth up to around 30-40 gig as a starting point. A solution that is as transparent to user experience as possible is a priority.
>> Thanks
>> -- 
>> Steve Saner
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