nanog mailing list archives

Re: Ars Technica on IPv4 exhaustion


From: Owen DeLong <owen () delong com>
Date: Sun, 22 Jun 2014 19:16:10 -0700


On Jun 22, 2014, at 7:07 PM, Darren Pilgrim <nanog () bitfreak org> wrote:

On 6/22/2014 6:56 PM, Owen DeLong wrote:
On Jun 22, 2014, at 6:41 PM, Darren Pilgrim <nanog () bitfreak org>
wrote:
For Comcast business services, the SMC box on my demarc panel isn't
IPv6 capable and neither are any of Comcast's other business CPE.

Not true. The Netgear CCB tried to install here just a couple of days
ago is IPv6 capable. Unfortunately, it breaks IPv4 by not being
capable of bridge mode and insisting on NATing everything inside
unless you subscribe to static IPv4 addresses from Comcast.

What's the model number?  The Comcast techs here are quite insistent that none of the CPE capable of routed subnets 
are able to do IPv6.

OTOH, you can supply your own Motorola Surfboard DOCSIS 3 modem and
it works just fine with Comcast Business.

Have you tried using that with a routed subnet?

Not sure what you mean by “routed subnet”.

I’ve got a router hooked up to it and everything on my internal network(s) is behind that router, so I’m using it with 
routed subnets by my definition of that term. If you have some specific way of setting up your services that’s 
different from that, you’d need to be specific before I could usefully comment.

Owen


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