Owner's Manual
Virtual Private Networking
131
N600 Wireless Dual Band Gigabit VDSL2 Modem Router DGND3800B
Delete a VPN Tunnel
To delete VPN tunnel:
1. Select ADVANCED > Advanced - VPN > VPN Policies.
2. Select the radio button for the VPN tunnel.
3. Click Delete.
Auto Policy Example
You need to configure matching VPN settings on both VPN endpoints. The outbound VPN
settings on one end have to match to the inbound VPN settings on other end, and vice versa.
Auto policy creates a typical automated Internet Key Exchange (IKE) setup. Auto policy uses
the IKE protocol to define the authentication scheme and automatically generate the
encryption keys.
Figure 19. Example of an Auto policy for a gateway-to-gateway tunnel
Add or Edit a VPN Auto Policy
An Auto VPN policy uses the IKE (Internet Key Protocol) to exchange and negotiate
parameters for the IPSec SA (security association). Because of this negotiation, not all of the
Gateway A
Gateway B
VPN Tunnel
22.23.24.25
14.15.16.17
IP: 192.168.0.1
IP:192.168.3.1