Hi, I have about 25 devices on my LAN. DHCP is disable on PiHole, device IP's are set static on my router. Why would a handful of devices (below) appear in PiHole's network overview? I have flushed the network table, but the devices re-appear after a few seconds.
Because the table is filled from the neigh table of your Pi device. If the devices are part of your local network subnet they are seen by your network adapater and Pi-hole will use that information.
Are there devices listed that should not be there?
Understand. Nope, all devices are on my LAN.
Pi-hole grabs these MAC addresses for your devices from the ARP/neighbour cache/table.
You can see whats in it if run below:
ip n
Or old school:
arp
And it gets populated outside the influence of Pi-hole.
Your network toolstack (most likely iproute2) does this for connected devices that are discovered.
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