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Page 86 / 104 Scroll up to view Page 81 - 85
TL-WR840N
300Mbps Wireless N Router User Guide
- 77 -
3.
The Router will automatically obtain GMT from the Internet if it is configured accordingly.
4.
The Daylight Saving will take effect one minute after the configurations are completed.
4.16.2 Diagnostic
Choose menu “
System Tools
→
Diagnostic
”, you can transact Ping or Traceroute function to
check connectivity of your network in the following screen.
Figure 4-77 Diagnostic Tools
Diagnostic Tool -
Check the radio button to select one diagnostic too.
Ping -
This diagnostic tool troubleshoots connectivity, reachability, and name resolution
to a given host or gateway.
Traceroute -
This diagnostic tool tests the performance of a connection.
Note:
You can use ping/traceroute to test both numeric IP address or domain name. If
pinging/tracerouting the IP address is successful, but pinging/tracerouting the domain name
is not, you might have a name resolution problem. In this case, ensure that the domain name
you are specifying can be resolved by using Domain Name System (DNS) queries.
IP Address/Domain Name -
Type the destination IP address (such as 192.168.0.1) or
Domain name (such as
).
Pings Count -
The number of Ping packets for a Ping connection.
Ping Packet Size -
The size of Ping packet.
Ping Timeout -
Set the waiting time for the reply of each Ping packet. If there is no reply in
the specified time, the connection is overtime.
Traceroute Max TTL -
The max number of hops for a Traceroute connection.
Page 87 / 104
TL-WR840N
300Mbps Wireless N Router User Guide
- 78 -
Click
Start
to check the connectivity of the Internet.
The
Diagnostic Results
page displays the result of diagnosis.
If the result is similar to the following screen, the connectivity of the Internet is fine.
Figure 4-78
Diagnostic Results
Note:
Only one user can use this tool at one time. Options “Number of Pings”, “Ping Size” and “Ping
Timeout” are used for
Ping
function. Option “Tracert Hops” are used for
Tracert
function.
4.16.3 Firmware Upgrade
Choose menu “
System Tools
→
Firmware Upgrade
”, you can update the latest version of
firmware for the Router on the following screen.
Figure 4-79
Firmware Upgrade
Firmware Version
-
This displays the current firmware version.
Hardware Version
-
This displays the current hardware version. The hardware version of the
upgrade file must accord with the Router’s current hardware version.
To upgrade the Router's firmware, follow these instructions below:
1.
Download a more recent firmware upgrade file from the TP-LINK website
2.
Type the path and file name of the update file into the
File
field. Or click the
Browse
button to
locate the update file.
3.
Click the
Upgrade
button.
Page 88 / 104
TL-WR840N
300Mbps Wireless N Router User Guide
- 79 -
Note:
1)
New firmware versions are posted at
and can be downloaded for free.
There is no need to upgrade the firmware unless the new firmware has a new feature you want
to use. However, when experiencing problems caused by the Router rather than the
configuration, you can try to upgrade the firmware.
2)
When you upgrade the Router's firmware, you may lose its current configurations, so before
upgrading the firmware please write down some of your customized settings to avoid losing
important settings.
3) Do not turn off the Router or press the Reset button while the firmware is being upgraded,
otherwise, the Router may be damaged.
4)
The Router will reboot after the upgrading has been finished.
4.16.4 Factory Defaults
Choose menu “
System Tools
→
Factory Defaults
”, and you can restore the configurations of
the Router to factory defaults on the following screen
Figure 4-80 Restore Factory Default
Click the
Restore
button to reset all configuration settings to their default values.
•
The default
User Name
: admin
•
The default
Password
: admin
•
The default
IP Address
•
The default
Subnet Mask
: 255.255.255.0
Note:
Any settings you have saved will be lost when the default settings are restored.
4.16.5 Backup & Restore
Choose menu “
System Tools
→
Backup & Restore
”, you can save the current configuration of
the Router as a backup file and restore the configuration via a backup file as shown in Figure
4-81.
Page 89 / 104
TL-WR840N
300Mbps Wireless N Router User Guide
- 80 -
Figure 4-81 Backup & Restore Configuration
Click the
Backup
button to save all configuration settings as a backup file in your local
computer.
To upgrade the Router's configuration, follow these instructions.
•
Click the
Browse…
button to locate the update file for the Router, or enter the exact path
to the Setting file in the text box.
•
Click the
Restore
button.
Note:
The current configuration will be covered by the uploading configuration file. The upgrade process
lasts for 20 seconds and the Router will restart automatically. Keep the Router on during the
upgrading process to prevent any damage.
4.16.6 Reboot
Choose menu “
System Tools
→
Reboot
”, you can click the
Reboot
button to reboot the Router
via the next screen.
Figure 4-82 Reboot the Router
Some settings of the Router will take effect only after rebooting, which include
•
Change the LAN IP Address (system will reboot automatically).
•
Change the DHCP Settings.
•
Change the Wireless configurations.
•
Change the Web Management Port.
•
Upgrade the firmware of the Router (system will reboot automatically).
•
Restore the Router's settings to factory defaults (system will reboot automatically).
•
Update the configuration with the file (system will reboot automatically.
Page 90 / 104
TL-WR840N
300Mbps Wireless N Router User Guide
- 81 -
4.16.7 Password
Choose menu “
System Tools
→
Password
”, you can change the factory default user name and
password of the Router in the next screen as shown in Figure 4-83.
Figure 4-83
Password
It is strongly recommended that you should change the factory default user name and password
of the Router, because all users who try to access the Router's Web-based utility or Quick Setup
will be prompted for the Router's default user name and password.
Note:
The new user name and password must not exceed 14 characters in length and not include any
spaces. Enter the new Password twice to confirm.
Click the
Save
button when finished.
Click the
Clear All
button to clear all.
4.16.8 System Log
Choose menu “
System Tools
→
System Log
”, you can view the logs of the Router.
Figure 4-84
System Log

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