Using Ipsec Vpn To Provide Communication Between Offices - Fortinet FortiGate 1U Quick Start Manual

Using IPsec VPN to provide communication
between offices
This example provides secure, transparent communication between two FortiGates
located at different offices using route-based IPsec VPN. In this example, one office
will be referred to as HQ and the other will be referred to as Branch.
1. Configuring the HQ IPsec VPN
2. Adding firewall addresses for the local and remote LAN on HQ
3. Creating an HQ security policy and static route
4. Configure the Branch IPsec VPN Phase 1 and Phase 2
settings
5. Add Branch firewall addresses for the local and remote LAN
6. Create a branch IPsec security policy and static route
7. Results
FortiGate
(HQ)
192.168.1.99/24
Internal
Network (HQ)
180
WAN 1
172.20.120.123
IPsec
Port 1
172.20.120.22
Internet
WAN 1
FortiGate
(Branch)
LAN
10.10.1.99/24
Internal
Network (Branch)
The FortiGate Cookbook 5.0.