Mikrotik Tutorial 33 - Load Balancing & Failover with 2 WANs (2019)
Mikrotik Tutorial 33 - Load Balancing & Failover with 2 WANs (2019) shows how to create Mangle rules to mark the different traffic coming from the LAN to the WAN and vice versa, and then how to distribute the LAN traffic on the WAN interfaces using the PCC method (Per Connection Classifier).