this post was submitted on 06 Jan 2025
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Total shot in the dark knowing basically nothing about the situation, but if your house is over 10 years old and you also have cable internet, you might have a MoCA filter somewhere along the coax line(I've seen them installed outside too)
They were installed all over the place to prevent interference between cable TV and cable Internet, but sometimes they cause problems getting a stable internet connection
I've replaced all the wiring out to the service box on the outside of the house. At one point I noticed the network drop coincided with a log message that a different IP6 address was trying to take over (or be handed off) DHCP provider (or maybe it was DNS, it's been a while since I just gave up and accepted it). Then it will apparently timeout and go back to normal and everything comes back up. That's why the duration is so predictable.
But at the time I was using a raspberry pi running pihole as my DNS/DHCP providers. I gave up and removed it, thinking I had misconfigured something and that was the cause of the issue, but it's gone and the drops remain. Now I'm just running everything off of my Orbi mesh. And it's all acting just like it did with my old Nighthawk (which I've left up on a different channel to divide up some of the smart device load but before anyone thinks they are interfering, this issue far predates me blowing $500 on a new router mesh that fixed nothing).
My TVs got really pissed off when the pi was hooked up and I wouldn't let them call home. Maybe it's one I'd them, but idk. We have probably 100 different smart devices from 20 different vendors between lights, cameras, thermostat, motion sensors, plugs, vacuums, Alexa's, TVs and phones. I don't think it's sheer volume but I can't rule it out. Having two different WiFi networks ought to lighten the load but idk.
Anyway, I appreciate the stab. It's a hard problem, and I'm probably up to the task if I really get pissed enough, but as you can tell by everything I've done I've already been there a couple of times.
Right now the real annoying thing is, when the network drops, my daughter's school laptop connects to someone's Xfinity router (to which we don't have creds) and never goes back to ours when it's back and it's administered by the school so I can't make it forget that damn Xfinity SSID. She knows how to fix it but I think she tries too fast before it's back up, then just assumes Internet is down despite the fact that I'm 20' away on a freaking slack huddle for work...
I'm just venting at this point. Thanks, man. Don't worry about it unless something I've said makes it really obvious.