Please I need a code to manage my bandwith equally between the users using DHCP Ip given to each of them.
I discover that some client hook online 24/7 downloading heavy file on the expence of the other users

This post belongs under General.

See the last section of this link; its subtitled "Equal bandwidth sharing among users"
http://www.mikrotik.com/testdocs/ros/3.0/qos/queue.php