1. WAHT IS DHCP?
The DHCP (Dynamic Host Configuration Protocol) is used for the easy distribution of IP addresses in a network
2. SET GATEWAY FOR DHCP NETWORK
IP => Adress
3. SET IP POOL FOR DHCP NETWORK
IP => Pool
4. CREATE DHCP SERVER
IP => DHCP Server
RESOURCE:
http://wiki.mikrotik.com/wiki/Manual:IP/DHCP_Server