MICROTIK. Why does he go to the Internet through the main WAN?

Question

Computer networks

there are two providers. both rise through PPPoE. There is a task that the 3rd and 4th ports would go to the Internet through WAN1, and the 5th port would go through WAN2. In this case, all clients of both locales should see each other. All conditions are met. except that through the 5th port I go to the Internet via WAN1 (and I want via WAN2). How to fix please tell me

Answer 1

Marking not set or set incorrectly.
Multivan and routing on Mikrotik RouterOS
MultiWAN implementation. Questions, problems and solutions

Answer 2

as indicated above. mark the packets and send them to the correct gateway

Answer 3

All magic should be on the Mangle tab. If you didn't show it, then you don't have anything there. That's the trouble...