We had a very close lightning strike here near Mercury Blvd and Big Bethel Rd in Hampton, VA roughly a month ago. Ever since, I've had less than reliable cablemodem connections.
I did suffer a little damage from the strike. It wiped out my Netgear WNDR3700 (with DD-WRT) and the ethernet jack on an old Inspiron 1520 laptop I had nearby. I replaced the router with a Linksys EA6500v1 (with DD-WRT). The cablemodem, a DPC3010, seemed to be just fine, but I then I noticed I started losing connection randomly. I'd check 192.168.100.1 periodically and see all 8 channels down until I rebooted the modem. Then they'd come back up...
So...
I assumed the DPC3010 was damaged as well. So I got a new Netgear CG3000D gateway and got it set up. Same thing. I'd get normal 50-60mbps service after the reboot and see 8 channels active. Then I'd check after a few hours and see 4 with 4 "Unknown". Then I was getting reduced performance a couple days later and saw it was only getting 1 channel with the other 7 "Unknown". Another reboot temporarily solved the issue.
Currently it shows 4 Locked DOCSIS channels and 4 Unlocked Unknown channels but able to get my full bandwidth. I haven't seen an outage since then, but I also haven't been home as much lately.
Can Cox HSI shed any light here? Maybe I'm misunderstanding how this works?
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