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Page 111 / 128 Scroll up to view Page 106 - 110
NETGEAR RangeMax™ NEXT Wireless Router WNR834B User Manual
Troubleshooting
7-5
v2.1, July 2007
If the router does not save changes you have made in the Web Configuration Interface, check
the following:
•
When entering configuration settings, be sure to click Apply before moving to another menu
or tab, or your changes could be lost.
•
Click Refresh or Reload in the Web browser. The changes may have occurred, but the Web
browser may be caching the old configuration.
Troubleshooting the Internet Connection
If you can access your router but you are unable to access the Internet, you should first determine
whether the router is able to obtain an IP address from your Internet Service Provider (ISP). Unless
your ISP provides a static IP address, your router 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:
1.
Launch your browser and select an external site such as
.
2.
Access the main menu of the router’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 router has not
obtained an IP address from your ISP.
If your router 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 restarting your network, as described in
“Be sure to
restart your network in this sequence. ” on page 7-1
.
If your router 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 might check for
your computer’s MAC address. In this case:
Page 112 / 128
NETGEAR RangeMax™ NEXT Wireless Router WNR834B User Manual
7-6
Troubleshooting
v2.1, July 2007
Inform your ISP that you have bought a new network device, and ask them to use the router’s
MAC address.
or
Configure your router to spoof your computer’s MAC address. This procedure is explained in
“Configuring Your Internet Connection Using the Smart Setup Wizard” on page 1-5
.
If your router 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 will provide the addresses of one or 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 as described in
“Preparing a Computer for
Network Access” in Appendix B
. You can also configure your computer manually with DNS
addresses, as explained in your operating system documentation
.
•
Your computer may 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 as described in
“Preparing a Computer for Network Access” in
Appendix B
.
•
You may 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. You may need to go to the Internet
Explorer Tools menu, Internet Options, Connections tab and select “Never dial a connection.”
Troubleshooting a Network Using a 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. Troubleshooting a network is
made very easy by using the ping utility in your computer or workstation.
Testing 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.
Page 113 / 128
NETGEAR RangeMax™ NEXT Wireless Router WNR834B User Manual
Troubleshooting
7-7
v2.1, July 2007
To ping the router from a running Windows PC:
1.
From the Windows toolbar, click Start, and then 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
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
–
For a wired connection, make sure the numbered LAN port light is on for the port to
which you are connected. If the light is off, follow the instructions in
“The LAN or
WAN port lights are not lit.” on page 7-3
.
–
Check that the corresponding Link lights are on for your network interface card. If
your router and computer are connected to a separate Ethernet switch, make sure the
link lights are on for the switch ports that are connected to your computer and router.
•
Wrong network configuration
–
Verify that the Ethernet card driver software and TCP/IP software are both installed
and configured on your computer.
–
Verify that the IP address for your router and your computer are correct and that the
addresses are on the same subnet.
Testing the Path from Your Computer to a Remote Device
After verifying that the LAN path works correctly, test the path from your computer to a remote
device. From the Windows run menu, type:
PING -n 10
<
IP address
>
where <
IP address
> is the IP address of a remote device such as your ISP’s DNS server.
If the path is functioning correctly, replies like those shown in the previous section are displayed.
If you do not receive replies:
Page 114 / 128
NETGEAR RangeMax™ NEXT Wireless Router WNR834B User Manual
7-8
Troubleshooting
v2.1, July 2007
•
Check that your computer has the IP address of your router listed as the default gateway. If the
IP configuration of your computer is assigned by DHCP, this information will not be visible in
your computer’s Network Control Panel. Verify that the IP address of the router is listed as the
default gateway as described in
“Preparing a Computer for Network Access” in Appendix B
.
•
Check to see that the network address of your computer (the portion of the IP address specified
by the subnet mask) is different from the network address of the remote device.
•
Check that your cable or DSL modem is connected and functioning.
•
If your ISP assigned a host name to your computer, enter that host name as the Account Name
in the Basic Settings menu.
•
Your ISP could be rejecting the Ethernet MAC addresses of all but one of your computers.
Many broadband ISPs restrict access by only allowing traffic from the MAC address of your
broadband modem, but some ISPs additionally restrict access to the MAC address of a single
computer connected to that modem. If this is the case, you must configure your router to
“clone” or “spoof” the MAC address from the authorized computer. For more information, see
“Configuring Your Internet Connection Using the Smart Setup Wizard” on page 1-5
.
Problems with Date and Time
The Email menu in the Content Filtering section displays the current date and time of day. The
WNR834B router uses the Network Time Protocol (NTP) to obtain the current time from one of
several Network Time Servers on the Internet. Each entry in the log is stamped with the date and
time of day. Problems with the date and time function can include:
•
Date shown is January 1, 2000.
Cause: The router has not yet successfully reached a Network Time Server. Check that your
Internet access settings are configured correctly. If you have just completed configuring the
router, wait at least five minutes and check the date and time again.
•
Time is off by one hour.
Cause: The router does not adjust for Daylight Savings Time. In the Email menu, check the
box marked “Adjust for Daylight Savings Time”.
Page 115 / 128
NETGEAR RangeMax™ NEXT Wireless Router WNR834B User Manual
Troubleshooting
7-9
v2.1, July 2007
Solving Wireless Connection Problems
The first steps in solving wireless connection problems are:
1.
Using your wireless card’s setup utility program, make sure your wireless card can find your
wireless router.
2.
Configure and test with the simplest wireless connection possible, and then add security.
The topics in this section describe these steps.
Using Your Wireless Card Setup Program
When you install a NETGEAR wireless card in your computer, a Smart Wizard utility program is
installed that can provide helpful information about your wireless network. You can find this
program in your Windows program menu or as an icon in your system tray. Other wireless card
manufacturers may include a similar program.
If you have no specific wireless card setup program installed, you can use the basic setup utility in
Windows by following these steps:
1.
Open the Windows Control Panel and select Network Connections.
2.
Under the LAN section, double-click Wireless Network Connection.
Use the setup program to scan for available wireless networks. Look for a Network Name (SSID)
of NETGEAR or your custom SSID if you have changed it. If your wireless network does not
appear, check these conditions:
•
Is your router’s wireless radio enabled? See
“Turning Off the Broadcast of Your Wireless
Network Name” on page 2-10
.
•
Is your router’s SSID Broadcast enabled? See
“Turning Off the Broadcast of Your Wireless
Network Name” on page 2-10
.
•
Is your router set to a wireless standard that is not supported by your wireless card? Check the
Mode setting in
“Configuring Wireless Settings” on page 1-10
.
If your wireless network appears, 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 six feet away and see whether the signal strength improves.
•
Is your wireless signal obstructed by objects between the router and your computer? See
“Optimizing Wireless Performance” on page 5-13
.
If your wireless network appears and has good signal strength, configure your wireless card and
router for the simplest possible connection as described in the next section.

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