D-Link DFL-700 Network Card User Manual


 
Under MPPE encryption 128 bit should be the only checked option.
Leave Use IPsec encryption unchecked
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
4. Click Activate and wait for the firewall to restart.