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Page 106 / 113 Scroll up to view Page 101 - 105
Troubleshooting
106
N300 WiFi Router
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.
Launch a web browser from a computer or wireless device that is connected to the
network.
2.
In the address field of the web browser, enter
www.routerlogin.net
or
www.routerlogin.com
.
A login screen displays.
3.
Enter the router user name and password.
The user name is
admin
. The default password is
password
. The user name and
password are case-sensitive.
The BASIC Home screen displays.
4.
Click the
ADVANCED
tab.
The Router Status screen displays.
5.
On the Internet Port pane, click the
Connection Status
button.
For more information, see
Check the Internet Connection Status
on page
78. 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.
Page 107 / 113
Troubleshooting
107
N300 WiFi Router
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
3.
Click the
OK
button.
You 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 might have one of the following problems:
•
Wrong physical connections
Check that the appropriate LEDs are on for your network devices. If your router and
computer are connected to a separate Ethernet switch, make sure that the link LEDs are
lit 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.
Test 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.
1.
From the Windows toolbar, click the
Start
button and select
Run
.
Page 108 / 113
Troubleshooting
108
N300 WiFi Router
2.
In the field provided, type
ping -n 10
<
IP address
>
where <
IP address
> is the IP address of a remote device such as your ISP DNS server.
If the path is functioning correctly, replies like those examples shown in
Test the LAN Path to
Your Router
on page
107 are displayed.
If you do not receive replies, try the following:
•
Check that your computer has the IP address of your router listed as the default gateway.
If a DHCP server assigns the IP configuration of your computer, this information is not
visible on your computer’s Network Control Panel. Verify that the IP address of the router
is listed as the default gateway.
•
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 broadband 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 Internet Setup screen.
•
Your ISP might be rejecting the Ethernet MAC addresses of all but one of your
computers.
Many broadband ISPs restrict access by allowing traffic only 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, configure your router to clone or
spoof the MAC address from the authorized computer.
Troubleshoot IP Addresses
By default, the router is set up to automatically assign IP addresses to network clients. The
router’s IP address is 192.168.1.1 unless you changed it. Wired and wirelessly connected
computers must have network IP addresses on the same network as the router. The simplest
way to meet this requirement is to configure each computer to obtain an IP address
automatically using DHCP.
If you customized the IP address settings of your router and you’re having trouble with
network connections, check the following:
•
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.
Page 109 / 113
Troubleshooting
109
N300 WiFi Router
•
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
111.
Page 110 / 113
110
A
A.
Supplemental Information
This appendix includes the following sections.
•
Factory Settings
•
Technical Specifications

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