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Page 241 / 248 Scroll up to view Page 236 - 240
By configuring the traffic meter not to block Internet access when the traffic limit is reached, you can
resume Internet access. If your ISP sets a usage limit, they might charge you for the overage.
•
Your computer might 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
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.
•
The
router
might not be configured as the default gateway on your computer.
Reboot the computer and verify that the
router
address (www.routerlogin.net) is listed by your computer
as the default 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
.You might need to go to Internet Explorer and select
Tools > Internet Options
, click the
Connections
tab, and select the
Never dial a connection
. Other browsers provide similar options.
Changes Are Not Saved
If the
router
does not save the changes that you make on the
router
web pages, do the following:
•
When entering configuration settings, always click the
Apply
button before moving to another page
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.
Troubleshoot WiFi Connectivity
If you are experiencing trouble connecting over WiFi to the
router
, try to isolate the problem:
•
Does the WiFi device or computer that you are using find your WiFi 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
WiFi radios back on.
If you disabled the
router
’s SSID broadcast, then your WiFi network is hidden and does not display
in your WiFi client’s scanning list. (By default, SSID broadcast is enabled.)
•
Does your WiFi device support the security that you are using for your WiFi network (WPA or WPA2)?
•
If you want to view the WiFi 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
BASIC > Wireless
.
Be sure to click the
Apply
button if you change settings.
Note
If your WiFi device finds your network but the signal strength is weak, check these conditions:
Troubleshooting
241
Nighthawk AC1900 Smart WiFi Router Model R6900
Page 242 / 248
•
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 WiFi 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.
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 lit 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.
Troubleshooting
242
Nighthawk AC1900 Smart WiFi Router Model R6900
Page 243 / 248
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
To 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 242.
3.
If you do not receive replies, check the following:
•
Check to see 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 to see 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
on the Internet Setup page.
•
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.
Troubleshooting
243
Nighthawk AC1900 Smart WiFi Router Model R6900
Page 244 / 248
16
Supplemental Information
This appendix includes technical information about your router.
The appendix covers the following topics:
•
Factory Settings
on page 245
•
Technical Specifications
on page 248
244
Page 245 / 248
Factory Settings
You can reset the
router
to the factory default settings that are shown in the following table.
For more information about resetting the
router
to its factory settings, see
Return the Router to Its Factory
Default Settings
on page 193.
Table 10. R6900 router factory default settings
Default Behavior
Feature
Router login
www.routerlogin.net (or www.routerlogin.com or
192.168.1.1)
User login URL
admin
User name (case-sensitive)
password
Login password (case-sensitive)
Internet connection
Use default hardware address
WAN MAC address
Determined by the protocol that is used for the Internet
connection (see
Manage the MTU Size
on page 47)
WAN MTU size
Autosensing
Port speed
Local network (LAN)
192.168.1.1
LAN IP address
255.255.255.0
Subnet mask
Enabled
DHCP server
192.168.1.2 to 192.168.1.254
DHCP range
192.168.1.2
DHCP starting IP address
192.168.1.254
DHCP ending IP address
Disabled
DMZ
Supplemental Information
245
Nighthawk AC1900 Smart WiFi Router Model R6900

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