Fortinet FortiGate 1U Quick Start Manual page 233

Select Create New in the Interfaces
section.
Create primary and secondary tunnel
interfaces. Set a Cost of 10 for the primary
interface and 100 for the secondary interface.
Configuring firewall
addresses on FortiGate 2
Go to Firewall Objects > Address >
Addresses.
Edit the subnets behind FortiGate 1 and
FortiGate 2.
Using redundant OSPF routing over IPsec VPN 213