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[Q] Router DNS question
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this post was submitted on 03 Jul 2023
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Can't we setup dns adresses in dhcpd? Yes we can! https://manpages.org/dhcpd/8 (After BOOTP support)
If OP's router is so basic that they can't change DNS server addresses, there are chances they can't disable the builtin dhcp server either. 2 DHCP servers on the same network will not end well.
I think the only way is to manually set DNS servers on each client.
FWIW, my ISP router didn't allow custom DNS, but it allows disabling DHCP altogether.
I just run DHCP in pihole too, which works fine.
If you read the link, you will understand that you can decide for every network interface a personnalize DNS. Not simply a DNS to the whole network, or by machine. Also, 99.99% sure that any modem router box combo can disable the DHCP and act as a bridge.
Note: the question I wrote was a guenuine one, and not sarcasm.