I know configure OSPF but I have the following doubts:
How to deliver PPPoE Public IP clients and I have a / 24 and RB each network will have something like 3 customers who need public IP.
I saw this example only shows but like a single router would need to know how and when you have 10 routers, and in each of these 10 IP routers need to deliver public
http://wiki.mikrotik.com/wiki/OSPF_and_PPPoE_Setup