Firepower 2110 supports Multi-WAN?

[timothy.wong]

Firepower 2110 supports Multi-WAN?

[Marvin Rhoads]

If you're using FTD image (NGIPS) then yes, with Policy-based routing applied via FlexConfig. 

https://www.youtube.com/watch?v=lakHhw9CR5Y

If you're using ASA image (NGFW) then you can also do PBR configured just like any other ASA.

https://www.cisco.com/c/en/us/td/docs/security/asa/asa94/config-guides/cli/general/asa-94-general-config/route-policy-based.pdf

In neither case do you get true load balancing etc. so I'm not sure if that's what you want.