How to use 2 different FW ports to access to 2 different Internet providers

To forward packets, the FW looks up the routing table and forwards the packets based on the destination address. This mechanism provides only the destination address-based forwarding service, but not differentiated service.
Using PBR, the FW selects routes based on the customized policies but not the routing table and forwards packets based on attributes, such as the incoming interface, source security zone, source and destination IP addresses, user, service type, and application type. This adds flexibility to packet forwarding control. PBR takes priority over, but does not take place of the routing table mechanism. PBR provides guidance for forwarding the traffic of certain services.

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