I'm trying to configure two Site to Site VPNs from one Cisco ASA 5585x to two separate FWs with different ISPs. I found that multiple peer IP addresses can be configured under ASDM, Configuration > Site-to-Site VPN > Advanced > Crypto Maps... Editing crypto map and adding a secondary IP address. These peers need to be configured with matching crypto map and isakmp setting to the tunnel to work.
Will this work?