root/etc/udhcpd.conf

   1 max_leases 200
   2 start 192.168.1.20
   3 end 192.168.1.250
   4 interface br0
   5 lease_file /tmp/udhcpd.leases
   6 domain lan
   7 pidfile /tmp/udhcpd.pid
   8 option dns 192.168.1.1
   9 option subnet 255.255.255.0
  10 option router 192.168.1.1
  11 lease 7200
  12