Netgear Dgn2200v4 N300 Wireless Adsl2 Plus Modem Router User Manual

Virtual Private Networking 111
 N300 Wireless ADSL2+ Modem Router DGN2200v4
Add or Edit a VPN Auto Policy
An Auto VPN policy uses the IKE (Internet Key Protocol) to exchange and n\
egotiate 
parameters for the IPSec SA (security association). Because of this ne\
gotiation, not all of the 
settings on this VPN gateway have to match the settings on the remote VP\
N endpoint. 
Where settings have to match, this requirement is indicated.
To add an Auto policy: 
1.  Set the LAN IPs on each gateway to dif...

Virtual Private Networking 
112 N300 Wireless ADSL2+ Modem Router DGN2200v4 
4. 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...

Virtual Private Networking 
113  N300 Wireless ADSL2+ Modem Router DGN2200v4
Select the option that matches the Local Identity Type setting on the remote VPN 
endpoint. 
-IP Address. The Internet IP address of the remote VPN endpoint. 
-Fully Qualified Domain Name. The domain name of the remote VPN endpoint. 
-Fully Qualified User Name. The name, email address, or other ID of the remote 
VPN endpoint. 
7. Specify the following parameters:
•Select the encryption algorithm. 
This is the encryption...

Virtual Private Networking 114
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.  T
o activate the VPN tunnel, start using it, or use the VPN Status...

Virtual Private Networking 115
 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 manua\
lly 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...

Virtual Private Networking 
116 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...

117
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 
http://support.netgear.com 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  

Troubleshooting 
118 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...

Troubleshooting 
119  N300 Wireless ADSL2+ Modem Router DGN2200v4
Cannot Log In to the Modem Router
If you are unable to log in to the modem router from a computer on your local network, check 
the following:
•If you are using an Ethernet-connected computer, check the Ethernet connection 
between the computer and the modem router as described in the previous section.
•Make sure that your computer’s IP address is on the same subnet as the modem router. 
If you are using the recommended addressing scheme,...

Troubleshooting 
120 N300 Wireless ADSL2+ Modem Router DGN2200v4 
Troubleshoot the Internet Connection
If your modem router is unable to access the Internet, check the ADSL connection, then the 
WAN TCP/IP connection. 
ADSL Link
If your modem router is unable to access the Internet, first determine whether you have an 
ADSL link with the service provider. The state of this connection is indicated with the Internet 
LED.
ADSL Link LED Is Green
If your ADSL link LED is green, you have a good ADSL...