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All inbound/outbound internet traffic stops on our Cox Internet connection at exactly 8:24am and 8:24pm every day for approximately 2 minutes. This is even with a hardwire connection directly to the DPQ3212. We first started noticing intermittent drops (~2-5 min) starting about a month ago. It's possible it may have happened/be happening more often, but the 12-hour/8:24 cycle is as predictable as a clock. It might have gone unnoticed except that any type of streaming connection (e.g., Netflix, online games) get dropped during the 2 min outages.
The DPQ3212 Status Page does not show any out-of-spec power levels or signal-to-noise ratios before, during, or after the outages.
I've been a Cox customer since 1997 and using Cox Internet since 1999, but this is aggravating enough to look at Verizon FIOS again.
Like Meridian1, I am having the same problem. For the down time occurs at exactly 10:48. My computer is connected directly. Any suggestions on what might be happening? I am trying to conduct business from my home and these sudden losses in internet connection are very frustrating.