Netgear Dm200 Broadband High Speed Dsl Modem User Manual

Add a Port Forwarding Rule With a Custom Service or
Application
The modem lists default services and applications that you can use in port forwarding rules. If the service
or application is not predefined, y ou can add a port forwarding rule with a custom service or application.
To add a port forwarding rule with a custom service or application: 1.
Find out which port number or range of numbers the service or application uses.
You can usually find this information by contacting the publisher of the...

(Continued)
Description
Field
Enter one or more port numbers, one or more ranges of port numbers, or a combination
of both.
Separate ports and port ranges with commas, for example, 30, 50 - 60, 65500 - 65510.
External port range
Specify the internal ports by one of these methods:
•Leave the Use the same port range for Internal port check box selected.
• In the 

Internal port range field, enter one or more port number, one or more ranges
of por

t numbers, or a combination of both.
Separate ports and...

4.
Select ADVANCED > Advanced Setup > Port Forwarding. The previous figure shows two custom port forwarding rules.
5. In the table, select the radio button for the service or application name.
6. Click the 
Edit Service button.
The Ports - Custom Services page displays.
7. Change the settings.
For information about the settings, see Add a Port Forwarding Rule With a Custom Service or Application
on page 
91.
8. Clic
k the Apply button.
Y

our settings are saved. The changed rule displays in the table on...

The previous figure shows two custom port forwarding rules.
5. In the table, select the radio button for the service or application name.
6. Click the Delete Service button.
The rule is removed from the table.
Application Example: Make a Local Web Server Public If you host a web server on your local network, you can use port forwarding to allow web requests from
anyone on the Internet to reach your web server.
To make a local web server public: 1.
Assign your web server either a fixed IP address or a...

7
Troubleshooting
This chapter provides information to help you diagnose and solve problems you might experience with your
modem . If you do not find the solution here, check the NETGEAR support site at support.netgear.com for product
and contact inf ormation.
The chapter contains the following sections:
• Quick Tips for Troubleshooting on page 96
• T

roubleshoot With the LEDs
 on page 96
• You Cannot Log In to the Modem
 on page 97
• T
roubleshoot the Internet Connection on page 97
• Changes Are Not...

Quick Tips for Troubleshooting
If your network is unresponsive or does not function normally, try restarting your network:
1.Turn off and unplug the modem.
2. Plug in the modem, turn it on, and wait two minutes.
If network problems still occur, make sure that your ISP does not require you to use the MAC address
of the computer that was used to initially register the ISP account. If your ISP does require that you do
this, you must change the 
modem MAC address that the modem uses. For more information,...

If the error persists, a hardware problem might exist. For recovery instructions or help with a hardware
problem, contact technical support at netgear.com/support.
Power LED Remains Solid Amber
During the startup process, the Power LED   lights solid amber for about 40 seconds and then turns solid
green, indicating that the startup procedure is complete and the modem is ready.
If the P

ower LED remains solid amber and does not turn solid green, a failure occurred or the modem is
malfunctioning.
If the...

Troubleshoot the DSL Link
If your modem is unable to access the Internet, first determine whether the DSL link with the service provider
is working. The DSL LED indicates the state of this connection.
DSL LED Is Solid Green
If the DSL LED 
 lights solid green, the DSL connection is good. You can be confident that the service
provider connected your line correctly and that your wiring is correct.
DSL LED Is Blinking Amber
If the DSL LED   is blinking amber, your modem is attempting to make a DSL...

The BASIC Home page displays.
4. Select ADVANCED > ADVANCED Home.
The AD
VANCED Home page displays.
5. In the Internet Port pane, check to see that the IP Address field shows a valid IP address.
If the field shows 0.0.0.0, your modem did not obtain an IP address from your ISP.
If y

our 
modem cannot obtain an IP address from the ISP, the problem might be one of the following:
• Y
our Internet service provider (ISP) might require a login program. Ask your ISP whether they require
PPP over Ethernet...

The ADVANCED Home page displays.
5. In the Internet Port pane, check to see that the IP Address field shows a valid IP address and that the
Connection field shows PPPoE or PPPoA.
6. In the Internet Port pane, click the Connection Status button.
The Connection Status page displa
ys.
7. Check the following:
•The Connection Status field shows Connected.
• The Connection Time field does not
 show 00:00:00.
If the PPPoE or PPPoA connection is not working, make sure that your service name, user name, and...