option domain-name "ourisp"; option domain-name-servers 8.8.8.8; default-lease-time 3600; max-lease-time 43200; authoritative; ddns-update-style none; log-facility local7; one-lease-per-client true; deny duplicates; shared-network ourisp { subnet 192.168.100.0 netmask 255.255.255.0 { default-lease-time 3600; option domain-name "ourisp"; option subnet-mask 255.255.255.0; option routers 192.168.100.1; include "/etc/dhcp/eth.conf"; } }