@Par4 Unfortunately not. There were too many reports of similar problems from other users, and I decided I had spent far too much time troubleshooting this issue, so I ended up returning the entire...

@Carl Ticket is TKID210713345

@Carl Do you want me to submit this information again? I've already sent the proof of purchase, along with photos of the serial numbers, to both Parker Hu and to TP-Link support. I don't want to...

@Carl Thank you for the response - Parker and I connected last night, and he used a remote connection to run some diagnostics on the router, but he could not figure out why I continue to...

@Carl Modem logs have looked totally normal (no T3 or T4 errors), yet the Deco went down three days in a row (twice today). I also tried rebooting the cable modem, and I switched the Decos around, so...

@Carl Thank you for the response and explanation. I will monitor the modem logs in the next few days, and will call Cox to have them run the tests you suggested.