i have the Cisco DPQ3212 modem, which is a docsis 3.0 modem, connecting to a Netgear AC 1750 router, model number R6700v2. I have configured the router to use IPv6, but an IPv6 test site says I am not receiving an IPv6 signal. I have gone through numerous questions on the Cox forums, and they all say that Cox is providing IPv6 service now, so I'm looking for possible problems and solutions. For example, does the modem need to be configured; does it need a firmware update; do I need a newer modem, etc? Looking for help on getting the most out of my Cox internet.