Configure Backup VPN to connect if remote end drops

Question

Hi, wondering if this scenario is possible. I have a branch office with a single ISP connection connected to their main office, which has 2 ISPs. I currently have an IPsec tunnel between the branch and main office which is working normally. What i'd like to also do is be able to fail over to the main office backup ISP. Is there any way this is possible? The only way I can see to do it with Sophos is a scenario where i'm either using a Sophos on either end, or if the branch office had two ISP's.

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BAlfson · Answer

Yes, Matt, you can do what you want in either of two ways. 
 Easier but a minute+ for failover: Auto-Failover IPsec VPN Connections 
 More complex but virtually-instantaneous failover: Sophos UTM multiple S2S IPsec VPN mit Failover &ndash; Tutorial (DE) 
 The article in German is very easy to follow as it's full of screen caps with WebAdmin in English. 
 Cheers - Bob