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Troubleshooting
8-1
202-10042-02 v1.1
Chapter 8
Troubleshooting
This chapter gives information about troubleshooting your 54 Mbps Wall-Plugged Wireless Range
Extender WGX102. After each problem description, instructions are provided to help you
diagnose and solve the problem.
NETGEAR Product Registration, Support, and Documentation
Register your product at
. Registration is required before you can use our
telephone support service.
Product updates and Web support are always available by going to:
When the wireless range extender is connected to the Internet, click the Knowledge Base or the
Documentation link under the Web Support menu to view support information or the
documentation for the wireless range extender.
Basic Functioning
After you turn on power to the WGX102 devices, the following sequence of events should occur:
1.
When power is first applied, verify that the Power light is on.
2.
After approximately 10 seconds, verify that:
a.
The power light is solid green.
b.
The HomePlug port (called the Internet port in Router Mode) light is lit.
c.
The Wireless port on the WGX102 or Ethernet port on the XE102 light is lit.
If any of these conditions does not occur, refer to the appropriate following section.
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Reference Manual for the 54 Mbps Wall-Plugged Wireless Range Extender WGX102
8-2
Troubleshooting
202-10042-02 v1.1
Power Light Not On
If the Power and other lights are off when your wireless range extender is turned on, make sure
that the WGX102 and XE102 are properly connected to a functioning power outlet.
If the error persists, you have a hardware problem and should contact technical support.
HomePlug/Internet or Wireless Port Lights Not On
If either the HomePlug/Internet or the Wireless light are not lit, check the following:
•
Make sure that the Ethernet cable connection is secure at the XE102 and the router it connects
to.
•
Be sure you are using the correct cable on the router that the XE102 is connected to. When
connecting the router’s Internet port to a cable or DSL modem, use the cable that was supplied
with the cable or DSL modem. This cable could be a standard straight-through Ethernet cable
or an Ethernet crossover cable.
Troubleshooting the Web Configuration Interface
If you are unable to access the wireless range extender’s Web Configuration interface from a
computer on your local network, check the following:
•
Check the Ethernet connection between the computer and the wireless range extender as
described in the previous section.
•
Make sure your computer’s IP address is on the same subnet as the WGX102. 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. Refer to
“Verifying TCP/IP Properties” on page C-9
or
“Verifying TCP/IP Properties for Macintosh Computers” on page C-20
to find your
computer’s IP address. Follow the instructions in
Appendix C
to configure your computer.
Note:
If your computer’s IP address is shown as 169.254.x.x: Recent versions of Windows
and MacOS generate and assign IP addresses 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 WGX102 and reboot your computer.
•
If the WGX102 IP address has been changed and you do not know the current IP address, clear
the wireless range extender’s configuration to factory defaults. This sets the wireless range
extender’s IP address to 192.168.0.101. This procedure is explained in
“Restoring the Default
WGX102 Configuration and Password” on page 8-7
.
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Reference Manual for the 54 Mbps Wall-Plugged Wireless Range Extender WGX102
Troubleshooting
8-3
202-10042-02 v1.1
•
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 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 entering this
information.
If the WGX102 does not save changes you have made in the Web browser interface, check the
following:
•
When entering configuration settings, be sure to click the
Apply
button before moving to
another menu or tab, or your changes will be lost.
•
Click the Refresh or Reload button in the Web browser. The configuration changes may have
occurred, but the Web browser may be caching the old configuration.
Troubleshooting the Router Mode Only ISP Connection
If your WGX102 is unable to access the Internet, you should first determine whether the WGX102
is able to obtain a WAN IP address from the ISP. Unless you have been assigned a static IP
address, your wireless range extender must request an IP address from the ISP. You can determine
whether the request was successful using the Web Configuration Manager.
To check the WAN IP address of your NETGEAR wireless range extender:
1.
Launch your browser and select an external site such as
.
2.
Access the main menu of the wireless range extender’s configuration at
.
3.
Under the Maintenance heading, select Router Status.
4.
Check that an IP address is shown for the WAN Port
If 0.0.0.0 is shown, your WGX102 has not obtained an IP address from your ISP.
If your WGX102 is unable to obtain an IP address from the ISP, you may need to force your cable
or DSL modem to recognize your new router by performing the following procedure:
1.
Turn off power to the cable or DSL modem.
2.
Unplug the WGX102.
3.
Wait five minutes and reapply power to the cable or DSL modem.
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Reference Manual for the 54 Mbps Wall-Plugged Wireless Range Extender WGX102
8-4
Troubleshooting
202-10042-02 v1.1
4.
When the modem’s lights indicate that it has reacquired sync with the ISP, reapply power to
your WGX102.
5.
Then restart your computer.
If your wireless range extender is still unable to obtain an IP address from the ISP, the problem
may be one of the following:
•
Your ISP may require a login program.
Ask your ISP whether they require PPP over Ethernet (PPPoE) or some other type of login.
•
If your ISP requires a login, you may have incorrectly set the login name and password.
•
Your ISP may check for your computer's host name.
Assign the computer Host Name of your ISP account as the Account Name in the Basic
Settings menu.
•
Your ISP only allows one Ethernet MAC address to connect to Internet, and may check for
your computer’s MAC address. In this case:
Inform your ISP that you have bought a new network device, and ask them to use the wireless
range extender’s MAC address.
OR
Configure your WGX102 to spoof your computer’s MAC address. This can be done in the
Basic Settings menu.
If your WGX102 can obtain an IP address, but your computer is unable to load any Web pages
from the Internet:
•
Your computer may 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 two DNS servers
for your use. If you entered a DNS address during the wireless range extender’s configuration,
reboot your computer and verify the DNS address as described in
“Install or Verify Windows
Networking Components” on page C-10
. Alternatively, you may configure your computer
manually with DNS addresses, as explained in your operating system documentation
.
•
Your computer may not have the wireless range extender configured as its TCP/IP gateway.
If your computer obtains its information from the WGX102 by DHCP, reboot the computer
and verify the gateway address as described in
“Install or Verify Windows Networking
Components” on page C-10
.
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Reference Manual for the 54 Mbps Wall-Plugged Wireless Range Extender WGX102
Troubleshooting
8-5
202-10042-02 v1.1
Troubleshooting Router Mode on a TCP/IP Network Using a
Ping Utility
Most TCP/IP terminal 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. Troubleshooting a TCP/IP
network is made very easy by using the ping utility in your computer or workstation.
Testing the LAN Path to the WGX102
You can ping the wireless range extender from your computer to verify that the LAN path to your
wireless range extender is set up correctly.
To ping the wireless range extender from a PC running Windows 95 or later:
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 WGX102, as in this example:
3.
Click OK.
You should see a message like this one:
Pinging <IP address> with 32 bytes of data
If the path is working, you see this message:
Reply from < IP address >: bytes=32 time=NN ms TTL=xxx
If the path is not working, you see this message:
Request timed out
If the path is not functioning correctly, you could have one of the following problems:
•
Wrong physical connections
—
Make sure the Wireless port LED is lit.
—
Check that the Link LEDs are on for your network interface card.
—
Using the Wireless configuration utility provided with your wireless client card, make
sure the SSID of your client card is the same as the WGX102. The default is
NETGEAR.
—
Make sure the security settings of your client card are the same as the WGX102. The
default is to have WEP and WPA-PSK disabled.
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