Implements Routing between 3 separate LANs

Hi Everyone,

I need to create 3 separate Lans. However, they must be able to communicate with each other.
To create the various Lans follow the following tutorial will: http://networkingforintegrators.com/2013/01/how-to-run-multiple-networks-from-a-mikrotik/

At the moment I have the LAN1, LAN2 and LAN3 on port 2,3 and 4 respectively.

However i cant make LAN1 communicate with other LANs The same situation occurs in all other LANs

How do I implement routing between these LANs?

Thanks for all the help you can Provide to me and excuse any errors of Inglês.

hi, you have to set route in your router and in each network element. your router will be the gateway for each network. provide details configuration.