Hello.
This is my first post on this forum.I have a case: i need a setup site 2 site tunnel, on one site i have fortigate with 2 isp, on second site a have mikrotik CCR with 1 isp.
For now i have a tunnel between site a and b with vlan support and its working. Sometime i have a drops a connection (i suppose a isp problems). So i want a make a backup ipsec link via a second isp. I know a problem with site where is only one isp( for now i ignore this problem). What should i do on mt site and rules to forward traffic form local network to remote network?. On firewall and rules i can only specify one rule for this traffic. ipsec dont have a rules for routing( or have?). Maybe other protocol/solution?

Best regards.