Host/Reservation questions with migration from ISC DHCP to DNSmasq DHCP

Started by biggreydog, May 08, 2026, 07:43:03 PM

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I migrated from ISC DHCP to DNSmasq and am keeping the same DHCP reservation range 10.0.1.100-10.0.1.255 after the switch on my 10.0.1.0/255 network.  All device IPs below 100 were manually set on my network but when I go to the hosts menu in DNSmasq, none of these IP addresses are listed.  What is the easiest way to get them over here. 

Two things you need to keep in mind :

- The reservations used in DNSMasqd need to be INSIDE your DHCP Range !!
ISC and KEA like those to be OUTSIDE your DHCP range.

- You can Import all Static DHCP Mappings based on the MAC Address into ISC/KEA/DNSmasqd after Exporting them from DNSmasqd/ISC/KEA into a .CSV file :)
The OPNsense Developers made sure all three use the same format in the .CSV file so there is no difference between all three of them.
Weird guy who likes everything Linux and *BSD on PC/Laptop/Tablet/Mobile and funny little ARM based boards :)