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Page 116 / 133 Scroll up to view Page 111 - 115
Virtual Private Networking
116
N300 Wireless ADSL2+ Modem Router DGN2200v4
The VPN Policies screen displays:
9.
Repeat these steps for the gateway on LAN B.
Pay special attention to the following network settings:
•
General, Remote Address Data (for example, 14.15.16.17)
•
Remote LAN, Start IP Address
-
IP Address (for example, 192.168.0.1)
-
Subnet Mask (for example, 255.255.255.0)
-
Pre-shared Key (for example, 12345678)
10.
To activate the VPN tunnel, start using it, or use the VPN Status screen (select the tunnel
and click
Connect
).
Page 117 / 133
Virtual Private Networking
117
N300 Wireless ADSL2+ Modem Router DGN2200v4
Add or Edit a Manual VPN Policy
A manual VPN policy requires all settings for the VPN tunnel to be manually entered at each
end (both VPN endpoints).
To add or edit a manual policy:
1.
Select
Advanced > Advanced - VPN > VPN Policies
and click the
Add Manual Policy
radio button.
The VPN - Manual Policy screen displays.
2.
Specify the general settings:
•
In the Policy Name field, enter a unique name.
This name is not supplied to the remote VPN endpoint. It is used only to help you
manage the policies.
•
From the Address Type list, select
Fully Qualified Domain Name
, or select
Fixed IP
Address
and fill in the Address Data field.
You can set up multiple remote dynamic IP policies, but only one such policy can be
enabled at a time.
3.
Specify the Local LAN settings:
•
From the IP Address list, select
Subnet address
,
Single address
, or
Range
address
.
•
Fill in the Single/Start IP Address field.
•
If you are specifying a range, fill in the Finish IP Address field.
This range must be an address range used on your LAN. For a single IP address, do
not fill in the Finish IP Address field.
The remote VPN endpoint must have these IP addresses entered as its remote
addresses.
Page 118 / 133
Virtual Private Networking
118
N300 Wireless ADSL2+ Modem Router DGN2200v4
4.
Specify the Remote LAN settings.
•
From the IP Address list, select
Single PC -no Subnet
,
Single address
,
Range
address
, or
Subnet address
.
If there is no LAN (only a single computer) at the remote endpoint, select the Single
PC -no Subnet option. The Single address option is typically used to access a server
on the remote LAN.
•
If you want to specify a range, fill in the Finish IP Address field.
This range must be an address range used on the remote LAN.
•
Fill in the Subnet Mask field.
The remote VPN endpoint must have these IP addresses entered as its local addresses.
5.
Specify the ESP (Encapsulating Security Payload) settings:
ESP provides security for the payload (data) sent through the VPN tunnel.
•
In the SPI field, enter the required security policy indexes (SPIs).
Each policy has to have unique SPIs. These settings need to match the remote VPN
endpoint. The
in
setting here has to match the
out
setting on the remote VPN
endpoint, and the
out
setting here has to match the
in
setting on the remote VPN
endpoint.
•
From the Encryption list, select
DES
or
3DES
, and fill in the Key field.
For 3DES, the keys should be 24 ASCII characters, and for DES, the keys should be
8 ASCII characters.
-
DES
. The Data Encryption Standard (DES) processes input data that is 64 bits
wide, encrypting these values using a 56-bit key. Faster but less secure than
3DES.
-
3DES
. (Triple DES) achieves a higher level of security by encrypting the data
three times using DES with three different, unrelated keys.
•
From the Authentication list, select
MD5
or
SHA-1
, and fill in the Key field.
Page 119 / 133
119
10
10.
Troubleshooting
This chapter provides information to help you diagnose and solve problems you might have with
your modem router. If you do not find the solution here, check the NETGEAR support site at
for product and contact information.
This chapter contains the following sections:
•
Troubleshoot with the LEDs
•
Cannot Log In to the Modem Router
•
Troubleshoot the Internet Connection
•
TCP/IP Network Not Responding
•
Changes Not Saved
•
Incorrect Date or Time
Page 120 / 133
Troubleshooting
120
N300 Wireless ADSL2+ Modem Router DGN2200v4
Troubleshoot with the LEDs
When you turn on the power, the power, LAN, and DSL LEDs should light as described here.
If they do not, refer to the sections that follow for help.
1.
When power is first applied, the Power LED lights.
2.
After approximately 10 seconds, the LAN and DSL LEDs light as follows:
a.
The LAN port LEDs light for any local ports that are connected.
b.
The DSL link LED lights green to indicate that a DSL link is established.
c.
If a LAN port is connected to a 100 Mbps device, verify that the LAN port’s LED is
green. If the LAN port is 10 Mbps, the LED is amber.
Power LED Is Off
If the Power and other LEDs are off when your modem router is turned on:
•
Check that the power cord is correctly connected to your modem router and the power
supply adapter is correctly connected to a functioning power outlet.
•
Check that you are using the 12 V DC power adapter supplied by NETGEAR for this
product.
If the error persists, you could have a hardware problem and should contact NETGEAR
technical support.
Power LED Is Red
When the modem router is turned on, it performs a power-on self-test, during which time the
Power LED turns red. If the Power LED does not turn green within a minute or so or if it turns
red at any other time during normal operation, there is a fault within the modem router.
If the Power LED turns red to indicate a modem router fault, turn the power off and on to see
if the modem router recovers. If the Power LED is still red 1 minute after power-up:
•
Turn the power off and on one more time to see if the modem router recovers.
•
Clear the modem router’s configuration to factory defaults as explained in
Factory
Settings
on page
128. This sets the modem router’s IP address to 192.168.0.1.
If the error persists, you could have a hardware problem and should contact NETGEAR
technical support.
LAN LED Is Off
If the LAN LED for a port does not light when you connect a device, check the following:
•
The Ethernet cable connections are secure at the modem router and at the hub or device.
•
The power is turned on to the connected hub or device.

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