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Page 36 / 48 Scroll up to view Page 31 - 35
32
Troubleshooting
Troubleshooting Login Problems
If you are unable to log in to the wireless router, check the following:
•
If you are using an Ethernet-connected computer, check the Ethernet connection between the
computer and the router as described in
“Checking Basic Router Functions” on page 30
.
•
Make sure you are using the correct login information. The factory default login name is
admin
and the password is
password
. Make sure that the Caps Lock is off when entering this
information.
•
Make sure your computer’s IP address is on the same subnet as the router. If your are using the
recommended addressing scheme, your computer’s address should be in the range of
192.168.1.2 to 192.168.1.254. Refer to your computer’s documentation or see
“Preparing a
Computer for Network Access”
in
“Related Documents” on page 41
for help with configuring
your computer.
•
If your router’s IP address has been changed and you don’t know the current IP address, reset
the router’s configuration to the factory defaults. This procedure will reset the router’s IP
address to 192.168.1.1 (see
“Restoring the Default User Name and Password” on page 38
).
•
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 closing the browser and
reopening it again.
Checking the Internet Service Connection
If your router is unable to access the Internet, check the Internet connection, and then check the
wireless router.
•
Internet Connection
. The cable or DSL modem status lights indicate if the modem
connection is successful or not. Check your modem documentation or call your Internet
service provider for help with verifying that the modem has a successful connection.
•
Wireless Router Internet Light is Green or Blinking Green
. If your Internet light is green
or blinking green, then you have a good Internet connection and your wiring is correct.
If your computer cannot reach a DHCP server, some operating systems will
assign an IP address in the range 169.254.x.x. If your IP address is in this range,
verify that you have a good connection from the computer to the router, then
restart (reboot) your computer.
Page 37 / 48
Troubleshooting
33
•
Wireless Router Internet Light Off
. If the Internet light is off, verify that the Ethernet cable
is securely connected between the cable or DSL modem, and that both the modem and
wireless router are turned on.
Obtaining an Internet IP Address
If your wireless router is unable to access the Internet, and your Internet light is amber, check the
wireless router to see if it is able to get an Internet IP address from your service provider. Unless
you have a static IP address, your wireless router automatically requests an IP address from your
service provider.
To check the Internet IP address from the browser interface:
1.
Log in to the wireless router.
2.
Select the
Router Status
link under the
Maintenance
heading to check that an IP address is
shown for the Internet Port. If 0.0.0.0 is shown, your wireless router has not obtained an IP
address from your service provider.
If your router is unable to obtain an IP address from the your service provider, the problem may be
one of the following:
•
Your service provider may require a login. Ask your service provider whether they require a
PPP over Ethernet (PPPoE) login.
•
You may have incorrectly set the Service Name, User Name or Password. See
“Troubleshooting PPPoE” on page 34
.
•
Your service provider might check for your computer's host name. Assign the computer Host
Name of your ISP account to the wireless router on the
Basic Settings
screen.
•
Your service provider might only allow one Ethernet MAC address to connect to the Internet,
and check for your computer’s MAC address. If this is the case:
–
Inform your service provider that you have bought a new network device, and ask them to
use the wireless router’s MAC address, or
–
Configure your router to spoof your computer’s MAC address. On the
Basic Settings
screen in the Router MAC Address section, select “Use this Computer’s MAC Address”
and click
Apply.
Then restart your network in the correct sequence (see
“Basic Setup
Checklist” on page 29
).
Page 38 / 48
34
Troubleshooting
Troubleshooting PPPoE
If you are using PPPoE, try troubleshooting your Internet connection.
To troubleshoot a PPPoE connection:
1.
Log in to the wireless router.
2.
Select
Router Status
under
Maintenance
on the main menu.
3.
Click
Connection Status
. If all of the steps indicate “OK,” then your PPPoE connection is up
and working.
If any of the steps indicate “Failed,” you can attempt to reconnect by clicking
Connect.
The
wireless router will continue to attempt to connect indefinitely.
If you cannot connect after several minutes, you may be using an incorrect Service Name,
User Name, or Password. There also may be a provisioning problem with your ISP.
Troubleshooting Internet Browsing
If your wireless router can obtain an IP address but your computer is unable to load any web pages
from the Internet, check the following:
•
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 wireless router’s configuration, restart your computer.
Alternatively, you can configure your computer manually with a DNS address, as explained in
the documentation for your computer
.
•
Your computer may not have the wireless router configured as its default gateway
.
Reboot the computer and verify that the wireless router address (192.168.1.1) is listed by your
computer as the default gateway address.
Using the Ping Utility to Troubleshoot
Most computers and routers have a diagnostic utility called
ping
that sends a request to a target
device. The device then replies. The ping utility makes it easy to troubleshoot a network.
Unless you connect manually, the wireless router will not authenticate using
PPPoE until data is transmitted to the network.
Page 39 / 48
Troubleshooting
35
Testing the Path from Your Computer to Your Router
You can ping the wireless router to verify that the LAN path from your computer to your router is
set up correctly.
To ping the wireless router from a Windows PC:
1.
From the Windows task bar, click
Start
and select
Run
.
2.
In the field provided, type
ping
followed by the address of the router, as in this example:
ping www.routerlogin.net
3.
Click
OK
. You should see a message like this one:
Pinging www.routerlogin.net with 32 bytes of data
If the path is working, you see this message:
Reply from www.routerlogin.net: 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 working correctly, you could have one of the following problems:
•
Wrong physical connections
–
Make sure the LAN port light is on. If the light is off, follow the instructions in
“Basic
Setup Checklist” on page 29
.
–
Check that the corresponding lights are on for your computer’s network interface card.
•
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 addresses for your router and your computer are correct and that both
addresses are on the same subnet (for example, 192.168.1.x/255.255.255.0).
Testing the Path from a Computer to the Internet
After verifying that the path between your computer and the wireless router works correctly, test
the path from your PC to the Internet.
To test the path using ping from a Windows PC:
1.
From the Windows task bar, click
Start
and select
Run
.
Page 40 / 48
36
Troubleshooting
2.
In the field provided, type
cmd
.
A command screen will display.
3.
At the
>
prompt, type the following:
ping -n 10 <
IP address
>
where <
IP address
> is the IP address of a remote device such as your ISP’s DNS server.
4.
Press
Enter.
If the path is working correctly, replies as in the previous section will display. If you do not receive
replies:
•
Check that your PC has the IP address of your router listed as the default gateway. If the IP
configuration of your PC is assigned by DHCP, this information will not be visible in your
PC’s Network Control Panel. Verify that the IP address of the router is listed as the TCP/IP
default gateway.
•
Check to see that the network address of your PC (the portion of the IP address specified by
the netmask) is different from the network address of the remote device.
•
If your ISP assigned a host name to your PC, enter that host name as the Account Name in the
Basic Settings menu.

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