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Chapter 8.
Advanced Settings (Part 2)
N300 Wireless Dual Band ADSL2+ Modem Router DGND3300v2 User Manual
Figure 70.
2.
The available settings and information in this screen are:
•
Turn UPnP On
.
UPnP can be enabled or disabled for automatic device configuration.
The default setting for UPnP is disabled. If this check box is not selected, the router
does not allow any device to automatically control the resources, such as port
forwarding (mapping) of the router.
•
Advertisement Period
.
The advertisement period is how often the router broadcasts
its UPnP information. This value can range from 1 to 1440 minutes. The default period
is 30 minutes. Shorter durations ensure that control points have current device status
at the expense of additional network traffic. Longer durations might compromise the
freshness of the device status but can significantly reduce network traffic.
•
Advertisement Time To Live
.
The time to live for the advertisement is measured in
hops (steps) for each UPnP packet sent. The time to live hop count is the number of
steps a broadcast packet is allowed to propagate for each UPnP advertisement
before it disappears. The number of hops can range from 1 to 255. The default value
for the advertisement time to live is 4 hops, which should be fine for most home
networks. If you notice that some devices are not being updated or reached correctly,
then it might be necessary to increase this value.
•
UPnP Portmap Table
.
The UPnP Portmap Table displays the IP address of each
UPnP device that is currently accessing the router and which ports (Internal and
External) that device has opened. The UPnP Portmap Table also displays what type
of port is open and whether that port is still active for each IP address.
3.
Click
Apply
to save your settings.
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Appendix A.
Troubleshooting
|
137
A
A.
Troubleshooting
Diagnosing and solving problems
This appendix provides information about troubleshooting your N300 Wireless Dual Band
ADSL2+ Modem Router DGND3300v2. After each problem description, instructions are
provided to help you diagnose and solve the problem. As a first step, review the Quick Tips.
Tip:
NETGEAR provides helpful articles, documentation, and the latest
firmware updates at
.
This chapter includes the following sections:
•
Quick Tips
on page
137
•
Troubleshooting with the LEDs
on page
138
•
Cannot Access the N300 Wireless Modem Router Menu
on page
140
•
Cannot Access the Internet
on page
141
•
Troubleshooting a Network Using the Ping Utility
on page
142
•
Problems with Date and Time
on page
144
•
Wireless Connectivity
on page
145
•
Viewing Available Networks
on page
145
Quick Tips
This section describes tips for troubleshooting some common problems.
Recommendation
Instructions
You can turn off the dome lights for the N300
wireless modem router.
Tap the dome to turn off the lights. These lights identify the
activity of the eight internal antennas, flashing to show which
combination of antennas is receiving the strongest signals.
Be sure to restart your network in this
sequence.
1.
Unplug the N300 wireless modem router.
1.
Turn off the computers.
2.
Plug in the N300 wireless modem router. Wait 1 minute.
3.
Turn on the computers.
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Appendix A.
Troubleshooting
N300 Wireless Dual Band ADSL2+ Modem Router DGND3300v2 User Manual
Troubleshooting with the LEDs
After you turn on power to the N300 wireless modem router, the following sequence of events
should occur:
1.
When power is first applied, verify that the Power LED
is on.
2.
After approximately 10 seconds, verify that:
•
The Power LED is green.
•
The LAN port LEDs are lit for any local ports that are connected. If a LAN port is
connected to a 100 Mbps device, verify that the port’s LED is green. If the port is 10
Mbps, the LED is amber.
•
The ADSL link LED is lit, indicating that a link has been established to the connected
device.
•
The Wireless LEDs are lit.
Make sure that the Ethernet cables are
securely plugged in.
For each powered-on computer connected to the N300 wireless
modem router by an Ethernet cable, the corresponding
numbered router LAN port LED is on.
Make sure that the wireless settings in the
computer and router match exactly.
• For a wirelessly connected computer, the wireless network
name (SSID) and wireless security settings of the N300
wireless modem router and wireless computer must match
exactly.
• If you set up an access list in the Advanced Wireless Settings
screen, you must add each wireless computer’s MAC address
to the N300 wireless modem router’s access list.
Make sure that the network settings of the
computer are correct.
• Wired and wirelessly connected computers
must
have network
(IP) addresses on the same network as the router. The
simplest way to ensure this is to configure each computer to
obtain an IP address automatically using DHCP. Click the link
to the online document
Preparing Your Network
in
Appendix
E, or see the documentation that came with your
computer
.
• Some cable modem service providers require you to use the
MAC address of the computer initially registered on the
account. You can view the MAC address in the Attached
Devices screen.
Check the Test LED to verify correct N300
wireless modem router operation.
If the Test LED does not turn off within 2 minutes after you turn
the N300 wireless modem router on, reset the router according
to the instructions in
Using the Restore Factory Settings Button
on page
147.
Recommendation
Instructions
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Appendix A.
Troubleshooting
|
139
N300 Wireless Dual Band ADSL2+ Modem Router DGND3300v2 User Manual
If any of the conditions in
step
2
on page
138 does not occur, see the following table.
Situation
Recommended Action
Power LED is off.
If the Power and other LEDs are off when your router is turned on:
• Make sure that the power cord is correctly connected to your router and
that the power supply adapter is correctly connected to a functioning
power outlet.
• Check that you are using the power adapter supplied by NETGEAR for
this product.
If the error persists, you have a hardware problem and should contact
Technical Support.
Power LED is red.
The power LED turns red when you
depress the Restore Factory
Settings button, and blinks red 3
times when that button is released.
This is normal and does not indicate
a problem.
If the Power LED remains red, there is a fault within the router.
• Cycle the power to see if the router recovers.
• Clear the router’s configuration to factory defaults. This sets the router’s
IP address to 192.168.0.1 or http://www.routerlogin.net. This procedure
is explained in
Restoring the Factory Configuration Settings
on
page
147.
If the error persists, you might have a hardware problem and should
contact Technical Support.
LEDs never turn off.
When the router is turned on, the LEDs turn on for about 10 seconds and
then turn off. If all the LEDs stay on, there is a fault within the router.
If all LEDs are still on 1 minute after power-up:
• Cycle the power to see if the router recovers.
• Clear the router’s configuration to factory defaults as explained in
Restoring the Factory Configuration Settings
on page
147.
If the error persists, you might have a hardware problem and should
contact Technical Support at
www.netgear.com/support
.
ADSL Link LED is off.
• Disconnect all telephones on the line. If this solves the problem,
reconnect the telephones one at a time, being careful to use a microfilter
on each telephone. If the microfilters are connected correctly, you should
be able to connect all your telephones.
• Check that the telephone company has made the connection to your line
and tested it.
• Verify that you are connected to the correct telephone line. If you have
more than one phone line, be sure that you are connected to the line
with the ADSL service. It might be necessary to use a swapper if your
ADSL signal is on pins 1 and 4 of the RJ-11 jack. The N300 wireless
modem router uses pins 2 and 3.
Internet LED is red.
The N300 wireless modem router cannot access the Internet. See
Cannot
Access the Internet
on page
141.
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Appendix A.
Troubleshooting
N300 Wireless Dual Band ADSL2+ Modem Router DGND3300v2 User Manual
Cannot Access the N300 Wireless Modem Router Menu
If you are unable to access the router’s menu 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 N300 wireless modem router.
•
Make sure your computer’s IP address is on the same subnet as the 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. Click the link to
Preparing Your Network
in
Appendix
E to find your computer’s IP address.
•
If your computer’s IP address is shown as 169.254.x.x:, it might because recent versions
of Windows and MacOS 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 router and
reboot your computer.
•
If your router’s IP address was changed and you do not know the current IP address,
clear the router’s configuration to factory defaults. This sets the router’s IP address to
192.168.0.1 or http://www.routerlogin.net. This procedure is explained in
Restoring the
Factory Configuration Settings
on page
147.
•
Make sure your browser has Java, JavaScript, or ActiveX enabled. If you are using
Internet Explorer, click
Refresh
to be sure the Java applet is loaded.
•
Try quitting the browser and launching it again.
•
Make sure that you are using the correct login information. The login name is
admin
and
the default password is
password
. Make sure that Caps Lock is off when entering this
information.
If the N300 wireless modem router does not save changes you have made in the N300
wireless modem router menu, check the following:
•
When entering configuration settings, be sure to click the
Apply
button before moving to
another screen, or your changes are lost.
•
Click the
Refresh
or
Reload
button in the Web browser. The changes might have
occurred, but the Web browser might be caching the old configuration.
The Ethernet port LEDs are off.
If the Ethernet port LEDs do not light when the Ethernet connection is
made, check the following:
• Make sure that the Ethernet cable connections are secure at the N300
wireless modem router and computer.
• Make sure that power is turned on to the connected modem or
computer.
Wireless LEDs are off.
If the Wireless LEDs do not come on, verify that the Enable Wireless Router
Radio check box is selected on the Advanced Wireless Settings screen.
See
Configuring Advanced WPS Settings
on page
27.
Situation
Recommended Action
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