![Fortinet FortiWAN Handbook Download Page 202](http://html1.mh-extra.com/html/fortinet/fortiwan/fortiwan_handbook_2322088202.webp)
IPSec
IPSec set up
Make sure the NAT rule and Phase 2 Quick Mode selector are equal on Source, Destination and Service. For the
details of NAT, see "
".
Define IPSec parameters
Go to
Service > IPSec
Add Phase 1 configurations for the IPSec tunnel mode VPN between site A's WAN 1 (10.10.10.10) and site B's WAN 1
(20.20.20.20). The other parameters are not listed here.
Phase 1
Local endpoint (Site A)
Remote endpoint (Site B)
Name
WAN1_WAN1_Phase1
WAN1_WAN1_Phase1
Local IP
10.10.10.10
20.20.20.20
Remote IP
20.20.20.20
10.10.10.10
Add Phase 2 configurations for the IPSec tunnel mode VPN between site A 's WAN 1 (10.10.10.10) and site B's WAN 1
(20.20.20.20). The other parameters are not listed here.
Phase 2
Local endpoint (Site A)
Remote endpoint (Site B)
Name
WAN1_WAN1_Phase2
WAN1_WAN1_Phase2
Quick Mode
Source
192.168.10.0/255.255.255.0
192.168.100.0/255.255.255.0
Source Port
Any
Any
Destination
192.168.100.0/255.255.255.0
192.168.10.0/255.255.255.0
Destination Port
Any
Any
Protocol
Any
Any
For the details of IPSec configuration, see "
".
Procedures to set up a IPSec Tunnel-mode VPN
To set up a IPSec Tunnel-mode VPN, we suggest the steps to follow as below:
1. Configure Network Settings on both units.
2. Define correspondent Auto Routing and NAT policies on both units.
3. Configure the settings of IPSec Tunnel mode Phase 1 and Phase 2 on both units.
202
FortiWAN Handbook
Fortinet Technologies Inc.