Grandstream Networks GWN70 Series User Manual page 49

○ Phase 2
After this is done, press "save" and do the same for the HQ Router. The two routers will build the tunnel and the necessary
routing information to route traffic through the tunnel back and from the branch office to the HQ network.
○ Configuration of IPSec Server
Go under VPN → VPN Server → IPSec Server Tab then fill in the following information:
Figure 62: Add VPN Client – Phase 1
Figure 63: Add VPN Client – Phase 2