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VPN tunnels for WAN backup between FortiGate Cisco devices

This article describes how to create VPN tunnels between a FortiGate firewall and Cisco routers using Virtual Tunnel Interfaces. OSPF is being used for routing. I used an unlicensed instance of FortiGate VM in GNS3 so you can recreate the setup without any financial investment.

Apr 12, 2016 - 7 min read