# ad-hoc DNS update scheme - set to "none" to disable dynamic DNS updates. ddns-update-style ad-hoc; default-lease-time 600; max-lease-time 7200; authoritative; option domain-name "example.com"; option domain-name-servers 208.67.222.222; option routers 192.168.4.1; subnet 192.168.4.0 netmask 255.255.255.0 { range 192.168.4.10 192.168.4.100; filename "pxeboot"; option root-path "192.168.4.1:/usr/data/base/"; }