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"; 
} 
 
}