I am looking to see if this is possible, not config details yet, with the hardware I have now.
I have at the main office 2 T1 connections and a ASA5510 with security+ lic and 6 remote offices with 1 broadband connection and a ASA5505 each. I have no routers in my network. At the moment I have VPN tunnels setup between the remote office and the Main office through one of the T1. If I setup a 2nd VPN tunnel on each ASA5505 to the other T1 at the main office, can the ASA5505 switch to the 2nd t1 if I have a failure on the 1st T1. Thanks