Virtual Private Networking
114
N600 Wireless Dual Band Gigabit VDSL2 Modem Router DGND3800B
Set Up a Gateway-to-Gateway VPN Configuration
This section describes how to use the VPN Wizard to set up the VPN tunnel using the VPNC
default parameters listed in
Table
4
on page
102. If you have special requirements not
covered by these VPNC-recommended parameters, see
Set Up VPN Tunnels in Special
Circumstances
on page
123 for information about how to set up the VPN tunnel.
VPN tunnel
Gateway 1
Gateway 2
IP: 192.168.0.1
14.15.16.17
IP:192.168.3.1
22.23.24.25
Figure 20. Gateway-to-gateway VPN tunnel
Follow this procedure to configure a gateway-to-gateway VPN tunnel using the VPN Wizard.
Set the LAN IPs on each modem router to different subnets and configure each correctly for
the Internet. The subsequent examples assume the settings shown in the following table.
Table 6. Gateway-to-gateway VPN tunnel configuration worksheet
Parameter
Value to Enter
Field Selection
Connection Name
GtoGr
N/A
Pre-Shared Key
12345678
N/A
Secure Association
N/A
Main Mode
Manual Keys
Perfect Forward Secrecy
N/A
Enabled
Disabled
Encryption Protocol
N/A
DES
3DES
Authentication Protocol
N/A
MD5
SHA-1
Diffie-Hellman (DH) Group
N/A
Group 1
Group 2
Key Life in seconds
28800 (8 hours)
N/A
IKE Life Time in seconds
3600 (1 hour)
N/A
VPN Endpoint
Local IPSecID
LAN IP Address
Subnet Mask
FQDN or Gateway IP
(WAN IP Address)
Gateway_A
GW_A
192.168.0.1
255.255.255.0
14.15.16.17
Gateway_B
GW_B
192.168.3.1
255.255.255.0
22.23.24.25