Where to configure links?

Hi

 

I have two incoming DSL links that I want to combine.

 

I need guidance on how would I do my setup when there is a Cisco Firewall involved. Do I terminate the DSL links on the F5 and then send traffic to the Cisco Firewall or should the both DSL links be configured on the Firewall which sends it to the F5 and we aggregate them at that stage?

 

I am aware that I can use AFM, the Firewalls and rules are existing, i want to get the Link Controller in first and then later show the advantages of using AFM.

 

Any suggestions as to where the DSL links should terminate?