An example to configure GRE over IPSEC

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)