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Page 151 / 157 Scroll up to view Page 146 - 150
Troubleshooting
151
N900 WiFi Router
Changes Not Saved
If the router does not save the changes that you make in the router interface, do the
following:
•
When entering configuration settings, always click the
Apply
button before moving to
another screen or tab, or your changes are lost.
•
Click the
Refresh
or
Reload
button in the web browser. It is possible that the changes
occurred, but the old settings might be in the web browser’s cache.
Wireless Connectivity
If you are experiencing 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. If it is off, you can press the
WiFi
On/Off
button on the router to turn the router wireless radios back on.
If you disabled the router’s SSID broadcast, then 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 (WPA or WPA2)?
•
If you want to view the wireless settings for the router, use an Ethernet cable to connect a
computer to a LAN port on the router. Then log in to the router, and select
Wireless
.
Note:
Be sure to click the
Apply
button if you change settings.
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 (1.8 meters) away and see whether the signal strength improves.
•
Are objects between the router and your computer blocking the wireless signal?
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 easily
troubleshoot a network using the ping utility in 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.
Page 152 / 157
Troubleshooting
152
N900 WiFi Router
To ping the router from a Windows computer:
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, one of the following problems might be present:
•
Wrong physical connections
For a wired connection, make sure that the numbered LAN port LED is lit for the port to
which you are connected.
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
.
2.
In the Windows Run window, 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, messages display that are similar to those shown in
Test
the LAN Path to Your Router
on page
151.
If you do not receive replies, check the following:
Page 153 / 157
Troubleshooting
153
N900 WiFi Router
•
Check that IP address of your router is listed as the default gateway for your computer. If
DHCP assigns the IP configuration of your computers, this information is not visible in
your computer 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 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. Some ISPs additionally restrict access to the MAC address of a
single computer connected to that modem. If your ISP does this, configure your router to
“clone” or “spoof” the MAC address from the authorized computer.
Page 154 / 157
154
A
A.
Supplemental Information
This appendix includes technical information about your router.
This appendix covers the following topics:
•
Factory Settings
•
Technical Specifications
Page 155 / 157
Supplemental Information
155
N900 WiFi Router
Factory Settings
You can return the router to its factory settings. Use the end of a paper clip or a similar object
to press and hold the
Reset
button on the back of the router for at least seven seconds. The
router resets and returns to the factory configuration settings shown in the following table.
Table 3.
Factory default settings
Feature
Default Setting
Router login
User login URL
www.routerlogin.com or www.routerlogin.net
User name (case-sensitive)
admin
Login password (case-sensitive)
password
Internet
connection
WAN MAC address
Use default hardware address
WAN MTU size
1500
Port speed
AutoSensing
Local network
(LAN)
LAN IP
192.168.1.1
Subnet mask
255.255.255.0
DHCP server
Enabled
DHCP range
192.168.1.2 to 192.168.1.254
DHCP starting IP address
192.168.1.2
DHCP ending IP address
192.168.1.254
DMZ
Disabled
Time zone
GMT for WW except NA and GR, GMT+1 for GR, GMT-8
for NA
Time adjusted for daylight saving
time
Disabled
SNMP
Disabled
Firewall
Inbound (communications coming
in from the Internet)
Disabled (except traffic on port 80, the HTTP port)
Outbound (communications going
out to the Internet)
Enabled (all)
Source MAC filtering
Disabled

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