Assumptions
The deployment example in this guide uses the following ports and IP addresses:
- ISP1 is connected to port1 on all FortiGates.
- ISP2 is connected to port2 on all FortiGates.
- LAN is connected to port3 on all FortiGates.
- Corporate datacenter LAN is 172.16.1.0/24.
- Branch 1 LAN is 10.1.1.0/24.
- Branch 2 LAN is 10.1.2.0/24.