this post was submitted on 03 Apr 2026
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I have been seeing periodic drops in internet access from LAN connected devices lately (last 2 months), and I haven't been able to figure about exactly what is going on. There doesn't seem to be a pattern, and it resolves itself after a few hours.

  • I can access the internet from my router
  • All devices on LAN can reach each other, both wired and WiFi
  • All devices on LAN can reach router, both wired and WiFi
  • I haven't changed anything in router settings
  • I haven't added new devices to my local network
  • I can't find any IP conflicts
  • It's a simple flat network with two APs, a single switch, no VLAN separation
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[–] HiTekRedNek@lemmy.world 1 points 4 months ago

Sounds to me like your DNS on the router itself is crashing.

There's a couple of things you could do. Set up something like pihole or adguard home, and set the forwarding to something other than your internal DNS server.

Personally, I use AGH, and the default quad9 for forwarding all but my own domains. Those get handled by my OPNsense router's Unbound DNS and/or DNSMasq, depending on which domain (local or one of owned domains)

Everything other than those gets forwarded to quad9's public DoH service.