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Appendix A.
Supplemental Information
|
141
N300 Wireless ADSL2+ Modem Router DGN2200
Wall-Mount Your Modem Router
Your modem router’s location can affect wireless connections. For example, the thickness
and number of walls the wireless signal passes through might limit its range. For best results,
place your modem router:
Near an AC power outlet, close to computers you plan to connect with Ethernet cables,
and near locations where you use wireless computers. For best signal strength, the
modem router should be within line of sight of your wireless devices.
In an elevated location, keeping the number of walls and ceilings between the modem
router and your wireless computers to a minimum.
Away from electrical devices that are potential sources of interference, such as ceiling
fans, home security systems, microwaves, or the base for a cordless phone.
To mount the modem router:
1.
Drill holes in the wall where you will wall-mount the modem router.
Holes should be 9.5 in.
(24.1 cm) center to center.
Figure 24.
Drill the holes
2.
Put wall anchors in the holes.
Use pan head Phillips wood screws, 3.5 x 20 mm (diameter x length, European) or #6
type screw, 1 inch long (U.S.).
Figure 25.
Put wall anchors in the holes
Page 142 / 167
142
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Appendix A.
Supplemental Information
N300 Wireless ADSL2+ Modem Router DGN2200
3.
Insert screws into the wall anchors, leaving 3/16 in. (0.5 cm) of each screw exposed.
Figure 26.
Insert screws into the wall anchors
4.
For best wireless performance, position the wireless antennas as shown with the top one
facing up and the bottom one facing away from the modem router..
Figure 27.
Position the antennas
Page 143 / 167
Appendix B.
NETGEAR VPN Configuration
|
143
B
B.
NETGEAR VPN Configuration
This appendix is a case study on how to configure a secure IPSec VPN tunnel from a NETGEAR
DGN2200 to a FVL328. This case study follows the VPN Consortium interoperability profile
guidelines (found at
).
Configuration Profile
The configuration in this appendix follows the addressing and configuration mechanics
defined by the VPN Consortium. Gather necessary information before you begin
configuration. Verify that the firmware is up to date, and that you have all the addresses and
parameters to be set on both sides. Check that there are no firewall restrictions.
Table 9.
VPN Consortium
Scenario
Scenario 1 (Identity Using Preshared Secrets)
Type of VPN
LAN-to-LAN or gateway-to-gateway (not PC/client-to-gateway)
Security scheme:
IKE with preshared secret/key (not certificate based)
IP addressing:
NETGEAR-Gateway A
Static IP address
NETGEAR-Gateway B
Static IP address
Page 144 / 167
Gateway A
WAN IP
Internet
10.506.0/24
(DGN2200)
LAN IP
10.5.6.1
14.15.16.17
WAN IP
22.23.24.25
Gateway B
LAN IP
172.23.9.1
172.23.9.0/24
144
|
Appendix B.
NETGEAR VPN Configuration
N300 Wireless ADSL2+ Modem Router DGN2200
Figure 28. VPNC Example, Network Interface Addressing
Step-by-Step Configuration
1.
Use the VPN Wizard to configure Gateway A (DGN2200) for a gateway-to-gateway
tunnel (see
Set Up a Gateway-to-Gateway VPN Configuration
on page
108), being
certain to use appropriate network addresses for the environment.
The LAN addresses used in this example are as follows:
Table 10.
Unit
WAN IP
LAN IP
LAN Subnet Mask
DGN2200
14.15.16.17
10.5.6.1
255.255.255.0
FVL328
22.13.24.25
172.23.9.1
255.255.255.0
a.
Enter
toGW_B
for the connection name.
b.
Enter
22.23.24.25
for the remote WAN’s IP address.
c.
Enter the following:
IP Address.
172.23.9.1
Subnet Mask.
255.255.255.0
d.
In the Summary screen, click
Done
.
2.
Use the VPN Wizard to configure the Gateway B for a gateway-to-gateway tunnel (see
Set
Up a Gateway-to-Gateway VPN Configuration
on page
108), being certain to use
appropriate network addresses for the environment.
a.
Enter
toGW_A
for the connection name.
b.
Enter
14.15.16.17
for the remote WAN’s IP address.
c.
Enter the following:
IP Address.
10.5.6.1
Subnet Mask.
255.255.255.0
d.
In the Summary screen, click
Done
.
Page 145 / 167
Appendix B.
NETGEAR VPN Configuration
|
145
N300 Wireless ADSL2+ Modem Router DGN2200
3.
On the Gateway B router menu, under VPN, select IKE Policies, and click the
Edit
button to
display the IKE Policy Configuration screen:
toGW_A
14.15.16.17
22.23.24.25
4.
On Gateway B router menu, under VPN, select VPN Policies, and click the
Edit
button to
display the VPN Auto Policy screen:
toGW_A
toGW_A
14.15.16.17
172
23
9
10
5
6
1
5.
Test the VPN tunnel by pinging the remote network from a PC attached to Gateway A
(modem router).
a.
Open the command prompt (Start > Run > cmd).
b.
Type
ping 172.23.9
.
If the pings fail the first time, try the pings
a second time.

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