Quantifying the customer support and impact of cgnat for residential ipv4

Travis Garrison tgarrison at netviscom.com
Mon Nov 22 02:29:53 UTC 2021


We have 10,000+ customers and by default everyone is behind CGNAT. Around 25 customers have asked for a dedicated public IP address and we usually just give them one free of charge. For our case, very low percentage actually request one.

Travis

From: NANOG <nanog-bounces+tgarrison=netviscom.com at nanog.org> On Behalf Of Eric Kuhnke
Sent: Sunday, November 21, 2021 6:18 PM
To: nanog at nanog.org list <nanog at nanog.org>
Subject: Quantifying the customer support and impact of cgnat for residential ipv4

Looking for anecdotal examples of the following:

If you put N number of individual DHCP client residential broadband customers behind cgnat for ipv4, what percent of customers contact support and become a support/troubleshooting case later.

And what percent of customers have a significant problem with it, to the extent that they either need to be offered a $5-10/mo extra /32 dedicated real address, or possibly cancel?

Hopefully on sample sizes of 5000 or more.

All else assuming that the customers are also dual stack v4/v6 and can reach v6 things normally without any of that traffic going through the cgnat.




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