D-Link DFL-200 User Manual page 80

PSK: 1234567890 (Note! You should use a key that is hard to guess)
Retype PSK: 1234567890
Select Tunnel type: LAN-to-LAN tunnel
Remote Net: 192.168.1.0/24
Remote Gateway: 194.0.2.20
Enable Automatically add a route for the remote network
Click Apply
3. Setup policies for the new tunnel, Firewall->Policy:
Click Global policy parameters
Enable Allow all VPN traffic: internal->VPN, VPN->internal and VPN->VPN
Click Apply
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