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Page 126 / 167 Scroll up to view Page 121 - 125
126
|
Chapter 8.
Virtual Private Networking
N300 Wireless ADSL2+ Modem Router DGN2200
Select
Advanced - VPN > VPN Policies
, and then click the
Add Manual Policy
radio button
to display the VPN - Manual Policy screen:
The following sections explain the fields in the VPN Manual Policy screen.
VPN Manual Policy General Settings
The DGN2200 VPN tunnel network connection fields are as follows.
•
Policy Name
. Enter a unique name to identify this policy. This name is not supplied to the
remote VPN endpoint. It is used only to help you manage the policies.
•
Remote VPN Endpoint
. The remote VPN endpoint has to have this VPN gateway’s
address entered as its remote VPN endpoint.
If the remote endpoint has a dynamic IP address, select
Dynamic IP Address
. No
address data input is required. You can set up multiple remote dynamic IP policies, but
only one such policy can be enabled at a time. Otherwise, select an option (IP address or
domain name) and enter the address of the remote VPN endpoint to which you want to
connect.
VPN Manual Policy Local LAN Settings
The remote VPN endpoint has to have these IP addresses entered as its remote addresses.
•
Subnet Address
. Enter the network mask.
•
Single PC - no Subnet
. Select this option if there is no LAN (only a single PC) at the
remote endpoint. If this option is selected, no additional data is required.
Page 127 / 167
Chapter 8.
Virtual Private Networking
|
127
N300 Wireless ADSL2+ Modem Router DGN2200
•
Single/Start IP Address
. The IP address for a single address, or the starting address for
an address range used on the LAN. If you want to make a single server on your LAN
available to remote users, use a single address Any settings. The remote VPN endpoint
can be at any IP address.
•
Finish IP Address
. For an address range, enter the finish IP address. This has to be an
address range used on your LAN.
•
Subnet Mask
. Enter the network mask.
VPN Manual Policy Remote LAN Settings
The remote VPN endpoint has to have these IP addresses entered as its local addresses.
•
IP Address
. Select
Single PC - no Subnet
if there is no LAN (only a single PC) at the
remote endpoint. If this option is selected, no additional data is required. The typical
application is a PC running the VPN client at the remote end.
•
Single/Start IP Address
. Enter an IP address on the remote LAN. You can use this
setting to access a server.
-
For a range of addresses, enter the starting IP address. This has to be an address
range used on the remote LAN.
-
Any
. Any outgoing traffic from specified Local IP computers triggers an attempted
VPN connection to the remote VPN endpoint. Be sure you want this option before
selecting it.
•
Finish IP Address
. Enter the finish IP address for a range of addresses. This has to be
an address range used on the remote LAN.
•
Subnet Mask
. Enter the network mask.
VPN Manual Policy ESP Settings
ESP (Encapsulating Security Payload) provides security for the payload (data) sent through
the VPN tunnel.
•
SPI
. 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.
•
Encryption
. Select an encryption algorithm, and enter the key in the field provided. 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.
•
Authentication
. Specify the authentication and the key.
Page 128 / 167
Chapter 9.
Troubleshooting
|
128
9
9.
Troubleshooting
Diagnosing and Solving Problems
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:
•
Troubleshooting with the LEDs
•
Troubleshooting the Internet Connection
•
TCP/IP Network Not Responding
•
Cannot Log in
•
Changes Not Saved
•
Incorrect Date or Time
Page 129 / 167
Chapter 9.
Troubleshooting
|
129
N300 Wireless ADSL2+ Modem Router DGN2200
Troubleshooting with the LEDs
When you turn the power on, 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 to indicate that there is a link to the connected device.
c.
If a LAN port is connected to a 100 Mbps device, verify that the LAN port’s LED is
green. Note that if the LAN port is 10 Mbps, the LED is amber.
Power
LAN Ports (1–4)
USB
DSL
Wireless
WPS
Internet
Figure 23.
Front panel LEDs
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. If the Power LED turns
red after a few seconds or at any other time during normal operation, there is a fault within
the modem router.
Page 130 / 167
130
|
Chapter 9.
Troubleshooting
N300 Wireless ADSL2+ Modem Router DGN2200
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
138. 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 appropriate LAN LED does not light when the Ethernet connection is made, check the
following:
•
The Ethernet cable connections are secure at the modem router and at the hub or
workstation.
•
The power is turned on to the connected hub or workstation.
•
You are using the correct cable.
Cannot Log In to the Wireless-N 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, your computer’s address should
be in the range of 192.168.0.2 to 192.168.0.254. Follow the instructions in the online
document that you can access from
Preparing Your Network
in Appendix
D for
information about how to configure your computer.
•
If your computer’s IP address is shown as 169.254.x.x, recent versions of Windows and
MacOS will generate and assign an IP address if the computer cannot reach a DHCP
server. These auto-generated addresses are in the range of 169.254.x.x. If your IP
address is in this range, check the connection from the computer to the modem router,
and reboot your computer.
•
If your modem router’s IP address was changed and you do not know the current IP
address, clear the modem router’s configuration to factory defaults. This sets the modem
router’s IP address to 192.168.0.1. This procedure is explained in
Factory Settings
in
Appendix
A.
•
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Internet Explorer, click
Refresh
to be sure that the Java applet is loaded.
•
Try quitting the browser and launching it again.

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