What is the best design for introducing a cluster of two units of Link Controller 1600?

Also I'm asking about networking and physical connectivity

thanks Heredia,

Why ISP link is not terminated on firewalls and then to LTM ? Any specific reason.

ANY ONE HELP ME

MY CONFIGURATION

ISP1-Router1-LC1-SWITCH1- FW1-CORE 1

ISP2-Router2-LC2-SWITCH2- FW2-CORE 2

Now my question,

l, Router1 has 2 ports, can i aggregation router 2 ports and connect the each port to LC1 and LC2

2, same question for router 2 and firewall connected switch between LC and firewall