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
Configuration
Step 1: Set IPsec extern profile and configure GRE first
Enable IPsec
function, according to your needs to create the profiles of IKE and IPsec policy
Note:
The profiles only take effect after clicking Apply & Save.
Server Config
Client Config
Set IPsec Extern profile
GRE Configuration:
Note:
The key parameters in the GRE configuration and IPsec do not affect each other independently, which can be set differently.
Server Configuration
Client
Configuration
Step 2 Configure IPsec Tunnels parameters
For example,
If your local network IP address is
192.168.255.0/24
Remote network IP address is
192.168.2.0/24
The following example instructs you on how to set the parameters.
Server Configuration:
Client Configuration
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)
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