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Troubleshooting
126
N450 Wireless Router WNR2500
All LEDs Remain Lit After Startup
When the router is turned on, the LEDs light for about 10 seconds and then turn off. If all the
LEDs stay lit, a fault exists within the router.
If all LEDs are still lit one minute after power-up:
•
Turn off the power and back on to see if the router recovers.
•
To return the router to its factory settings, press and hold the
Restore Factory Settings
button.
For more information, see
Factory Settings
on page
134.
If the error persists, you might have a hardware problem. Contact technical support at
www.netgear.com/support
.
Internet or LAN Port LEDs Are Off
If one of the LAN port LEDs or the Internet LED does not light when the Ethernet connection
is made, check the following:
•
Make sure that the Ethernet cable connections are secure at the router and at the modem
or computer.
•
Make sure that power is turned on to the connected modem or computer.
•
Be sure that you are using the correct cable.
When you connect the router’s Internet port to a cable or DSL broadband modem, use the
cable that was supplied with the cable or DSL broadband modem. This cable can be a
standard straight-through Ethernet cable or an Ethernet crossover cable.
WiFi LED Is Off
If the WiFi LED stays off, check to see if the WiFi On/Off button on the router has been
pressed. This button turns the wireless radio in the router on and off. The WiFi LED is lit when
the wireless radio is turned on.
WPS Button Blinks Amber
If, after you use the Push 'N' Connect (WPS) function, the WPS LED blinks green rapidly,
check the following:
•
Make sure that you have used the WPS button on the front of the router and not the
WPS
Wizard on the Add WPS Client screen.
•
Check that PIN verification succeeded for the wireless device that you are adding to the
wireless network.
•
Make sure that you have not pressed the WPS button on the front of the router after
disabling the WPS feature (you logged in to the router and disabled this feature
previously).
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Troubleshooting
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N450 Wireless Router WNR2500
•
Check to see if the router is stuck in the AP setup locked state (if you are using the
wireless repeater function). To resolve this situation, either restart the router, or do the
following:
1.
Select
ADVANCED > Advanced Setup > Wireless Settings
.
The Advanced Wireless Settings screen displays.
2.
Select the
Enable Router's PIN
check box.
3.
Click the
Apply
button.
Cannot Log In to the Router
If you are unable to log in to the 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 router as described in the previous section.
•
Make sure that 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 is in the range
of 192.168.1.2 to 192.168.1.254.
•
If your computer’s IP address is shown as 169.254.x.x, recent versions of Windows and
Mac OS generate and assign an IP address if the computer cannot reach a DHCP server.
These autogenerated 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
192.168.1.1. This procedure is explained in
Factory Settings
on page
134.
•
Make sure that your browser has Java, JavaScript, or ActiveX enabled. If you are using
Internet Explorer, click the
Refresh
button to be sure that the Java applet is loaded.
•
Try quitting the browser and launching it again.
•
Make sure that you are using the correct login information. The factory default login name
is admin and the password is password. Make sure that Caps Lock is off when you enter
this information.
•
If you are attempting to set up your NETGEAR router as an additional router behind an
existing router in your network, either configure the NETGEAR router to function as an
access point only (see
Wireless Access Point
on page
81) or consider replacing the
existing router with the NETGEAR router.
•
If you are attempting to set up your NETGEAR router as a replacement for an ADSL
gateway in your network, the router cannot perform many gateway services. For
example, the router cannot convert ADSL or cable data into Ethernet networking
information. NETGEAR does not support such a configuration.
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Troubleshooting
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N450 Wireless Router WNR2500
Cannot Access the Internet
If you can access your router but you are unable to access the Internet, first determine
whether the router can obtain an IP address from your Internet service provider (ISP). Unless
your ISP provides a fixed IP address, your router requests an IP address from the ISP. You
can see whether the request was successful using the Router Status screen.
To check the WAN IP address:
1.
Start your browser and select an external site such as
.
2.
Access the router user interface at http://www.routerlogin.net.
3.
Click the
ADVANCED
tab.
The Router Status screen displays.
4.
In the Internet Port pane, check that an IP address is shown for the Internet port.
If 0.0.0.0 is shown, your router has not obtained an IP address from your ISP.
For more information about the Internet Port pane, see
Internet Port Pane
on page
118.
If your router cannot obtain an IP address from the ISP, you might need to force your cable or
DSL broadband modem to recognize your new router by restarting your network. For more
information, see
Sequence to Restart Your Network
on page
124.
If your router is still unable to obtain an IP address from the ISP, the problem might be one of
the following:
•
Your Internet service provider (ISP) might require a login program.
Ask your ISP whether it requires PPP over Ethernet (PPPoE) or some other type of login.
•
If your ISP requires a login, the login name and password might be set incorrectly.
•
Your ISP might check for your computer’s host name.
Assign the computer host name of your ISP account as the account name in the Internet
Setup screen.
•
Your ISP allows only one Ethernet MAC address to connect to Internet and might check
for your computer’s MAC address. In this case, do one of the following:
-
Inform your ISP that you have bought a new network device, and ask them to use the
router’s MAC address.
-
Configure your router to clone your computer’s MAC address.
Troubleshoot Internet Browsing
If your router can obtain an IP address, but your computer is unable to load any web pages
from the Internet:
•
Your computer might not recognize any DNS server addresses.
A DNS server is a host on the Internet that translates Internet names (such as www
addresses) to numeric IP addresses. Typically, your ISP provides the addresses of one or
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N450 Wireless Router WNR2500
two DNS servers for your use. If you entered a DNS address during the router’s
configuration, reboot your computer, and verify the DNS address. You can configure your
computer manually with DNS addresses, as explained in your operating system
documentation
.
•
Your computer might not have the router configured as its TCP/IP gateway.
If your computer obtains its information from the router by DHCP, reboot the computer,
and verify the gateway address.
•
You might be running login software that is no longer needed.
If your ISP provided a program to log you in to the Internet (such as WinPoET), you no
longer need to run that software after installing your router. If you use Internet Explorer as
your browser, you might need to select
Tools > Internet Options
, click the
Connections
tab, and select the
Never dial a connection
check box. Other browsers have similar
options.
Troubleshoot a PPPoE Internet Connection
To troubleshoot a PPPoE Internet connection:
1.
Start your browser and select an external site such as
.
2.
Access the router user interface at http://www.routerlogin.net.
3.
Click the
ADVANCED
tab.
The Router Status screen displays.
4.
On the Internet Port pane, click the
Connection Status
button.
For more information, see
Connection Status
on page
120. If the fields show valid
information, including valid IP addresses, your PPPoE connection is up and working.
If any of the fields show incomplete information, or no valid IP address, you can attempt
to reconnect by clicking the
Connect
button. The router continues to attempt to connect
indefinitely.
If you cannot connect after several minutes, you might be using an incorrect service name,
user name, or password. There might also be a provisioning problem with your ISP.
Note:
Unless you connect manually, the router does not authenticate using
PPPoE until data is transmitted to the network.
Changes Not Saved
If the router does not save the changes you make through the NETGEAR genie screens,
check the following:
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Troubleshooting
130
N450 Wireless Router WNR2500
•
When you enter configuration settings on a screen, always click the
Apply
button before
you move to another screen or tab, or your changes are lost.
•
Click the
Refresh
or
Reload
button in the web browser. The changes might have
occurred, but the old settings might be in the web browser’s cache.
Wireless Connectivity
If you are having trouble connecting wirelessly to the router, try to isolate the problem.
•
Does the wireless device or computer that you are using find your wireless network?
If not, check the WiFi LED on the front of the router. It should be lit. If it is not, you can
press the
WiFI On/Off
button on the front of the router to turn the router’s wireless radio
back on.
If you disabled the router’s SSID broadcast, your wireless network is hidden and does not
display in your wireless client’s scanning list. By default, SSID broadcast is enabled.
•
Does your wireless device support the security that you are using for your wireless
network (WEP, WPA, or WPA2)?
•
If you want to view the wireless settings, select
BASIC > Wireless Settings
. For more
information, see
Basic Wireless Settings
on page
28.
If your wireless device finds your network, but the signal strength is weak, check these
conditions:
•
Is your router too far from your computer, or too close? Place your computer near the
router, but at least 6 feet (2 meters) away, and see whether the signal strength improves.
•
Is your wireless signal blocked by objects between the router and your computer?
Troubleshoot Your Network Using the Ping Utility
Most network devices and routers contain a ping utility that sends an echo request packet to
the designated device. The device then responds with an echo reply. You can troubleshoot a
network by using the ping utility on your computer or workstation.
Test the LAN Path to Your Router
You can ping the router from your computer to verify that the LAN path to your router is set up
correctly.
To ping the router from a computer running Windows:
1.
From the Windows toolbar, click the
Start
button and select
Run
.
2.
In the field provided, type
ping
followed by the IP address of the router, as in this example:
ping www.routerlogin.net

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