Machine with 2 Ethernet cards - how to configure routing?

I have a machine with two Ethernet cards; one connects to InterNAP (high quality bandwidth, expensive) and the other connects to Cogent (low quality bandwidth, cheap). Each Ethernet card has an IP address.

By default, the machine routes all outgoing traffic through Cogent.

How can I make it so that outgoing traffic on port 22 (i.e. my SSH connection) is routed through InterNAP? Does it have something to do with the "route" command perhaps?

 

 

 

 

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