Comcast IPv6 Trials

Joakim Aronius joakim at
Thu Jan 28 13:44:38 UTC 2010

* Paul Stewart (pstewart at wrote:
> That really makes sense - on an incredibly smaller scale (and I mean MUCH smaller scale), we operate cable modem in two small communities - currently we use 3 IP addresses per subscriber.  One for the cable modem itself, one for the subscriber (or more depending on their package), and one for voice delivery (packetcable).  If we moved even two of three IP assignments to native V6 we'd reclaim a lot of V4 space - I can only imagine someone their size and what this means...
> Paul

Excuse the newbie question: Why use public IP space for local CPE management and VoIP? Doesn't DOCSIS support traffic separation?


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