An example to configure GRE over IPSEC
In this example, we give a very simple topology to make you easily understand how to configure GRE over IPSEC
The topology after simplifying
Step 1: Set IPsec extern profile and configure GRE first
The profiles only take effect after clicking Apply & Save.
Set IPsec Extern profile
The key parameters in the GRE configuration and IPsec do not affect each other independently, which can be set differently.
Step 2 Configure IPsec Tunnels parameters
If your local network IP address is
Remote network IP address is
The following example instructs you on how to set the parameters.
Check the status of the tunnel
Step 3 Verify the VPN connection between Server and Client
Local LAN ping Remote LAN (Server ping Client)
Remote LAN ping Local LAN (Client ping Server)