Expected Behaviour: I expect the pihole DHCP server (which I understand is actually dnsmasq) to successfully hand out IP addresses to all the devices on my network. Actual Behaviour: Some devices just can't seem to get an IP address. The following log is typical, it seems like it is trying to hand …

Yep, after trying that out, turns out multiple DHCP was the problem. My wifi router is a Google Home, the kind with mesh networking. It has no option at all to disable its DHCP server. On some site (can't remember where) it was recommended to just restrict the DCHP range of the Google Wifi to one I…

Make sure no other DHCP server is active on your network! You could also check with below: pi@ph5:~ $ ip -br -4 a s eth0 eth0 UP 10.0.0.4/24 pi@ph5:~ $ sudo nmap -e eth0 --script broadcast-dhcp-discover Starting Nmap 7.70 ( https://nmap.org ) at 2020-08-30 21:42 CEST Pre-…

Are you using the Asus router for DHCP now ? Asus routers are known for pushing their own IP for DNS regardless of what DNS servers are configured in the DHCP-->DNS section on the router. If so, you can check the "Domain Name Server" section from the nmap output to validate. [image] …

Are you using the Asus router for DHCP now ? No, I disabled it and am using the pihole for DHCP. Working well so far. I did get a warning that disabling DHCP on the router would prevent the mesh network capability but I am not using this feature.

Pi-hole Userspace

DHCP assignment issue with only certain devices

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