DHCP on Juniper

set interface bgroup0 dhcp server service

set interface bgroup0 dhcp server auto

set interface bgroup0 dhcp server option gateway x.x.x.x

set interface bgroup0 dhcp server option netmask 255.255.255.0

set interface bgroup0 dhcp server option dns1 x.x.x.x

set interface bgroup0 dhcp server ip x.x.x.x to x.x.x.x

unset interface bgroup0 dhcp server config next-server-ip