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Page 51 / 112 Scroll up to view Page 46 - 50
TL-WR841N/TL-WR841ND
300Mbps Wireless N Router User Guide
- 42 -
¾
Beacon Interval -
Enter a value between 40-1000 milliseconds for Beacon Interval here.
The beacons are the packets sent by the Router to synchronize a wireless network. Beacon
Interval value determines the time interval of the beacons. The default value is 100.
¾
RTS Threshold -
Here you can specify the RTS (Request to Send) Threshold. If the packet
is larger than the specified RTS Threshold size, the Router will send RTS frames to a
particular receiving station and negotiate the sending of a data frame. The default value is
2346.
¾
Fragmentation Threshold -
This value is the maximum size determining whether packets
will be fragmented. Setting the Fragmentation Threshold too low may result in poor network
performance because of excessive packets. 2346 is the default setting and is
recommended.
¾
DTIM Interval -
This value determines the interval of the Delivery Traffic Indication Message
(DTIM). A DTIM field is a countdown field informing clients of the next window for listening to
broadcast and multicast messages. When the Router has buffered broadcast or multicast
messages for associated clients, it sends the next DTIM with a DTIM Interval value. You can
specify the value between 1-255 Beacon Intervals. The default value is 1, which indicates
the DTIM Interval is the same as Beacon Interval.
¾
Enable WMM - WMM
function can guarantee the packets with high-priority messages being
transmitted preferentially. It is strongly recommended.
¾
Enable Short GI -
This function is recommended for it will increase the data capacity by
reducing the guard interval time
.
¾
Enabled AP Isolation -
This function can isolate wireless stations on your network from
each other. Wireless devices will be able to communicate with the Router but not with each
other. To use this function, check this box. AP Isolation is disabled by default.
)
Note:
If you are not familiar with the setting items in this page, it's strongly recommended to keep
the provided default values; otherwise it may result in lower wireless network performance.
4.6.5 Wireless Statistics
Choose menu “
Wireless
→
Wireless Statistics
”, you can see the MAC Address, Current Status,
Received Packets and Sent Packets for each connected wireless station.
Page 52 / 112
TL-WR841N/TL-WR841ND
300Mbps Wireless N Router User Guide
- 43 -
Figure 4-25 Wireless Statistics
¾
MAC Address -
The connected wireless station's MAC address
¾
Current Status
-
The connected wireless station's running status, one of
STA-AUTH/
STA-ASSOC/ STA-JOINED/ WPA/ WPA-PSK/ WPA2/ WPA2-PSK/ AP-UP/ AP-DOWN/ Disconnected
¾
Received Packets
-
Packets received by the station
¾
Sent Packets
-
Packets sent by the station
You cannot change any of the values on this page. To update this page and to show the current
connected wireless stations, click on the
Refresh
button.
If the numbers of connected wireless stations go beyond one page, click the
Next
button to go to
the next page and click the
Previous
button to return the previous page.
)
Note:
This page will be refreshed automatically every 5 seconds.
4.7 DHCP
Figure 4-26
The DHCP menu
There are three submenus under the DHCP menu (shown in Figure 4-26),
DHCP Settings
,
DHCP Client List
and
Address Reservation.
Click any of them, and you will be able to configure
the corresponding function.
4.7.1 DHCP Settings
Choose menu “
DHCP
→
DHCP Settings
”, you can configure the DHCP Server on the page as
shown in Figure 4-27.The Router is set up by default as a DHCP (Dynamic Host Configuration
Protocol) server, which provides the TCP/IP configuration for all the PC(s) that are connected to
the Router on the LAN.
Page 53 / 112
TL-WR841N/TL-WR841ND
300Mbps Wireless N Router User Guide
- 44 -
Figure 4-27 DHCP Settings
¾
DHCP Server - Enable
or
Disable
the DHCP server. If you disable the Server, you must
have another DHCP server within your network or else you must configure the computer
manually.
¾
Start IP Address -
Specify an IP address for the DHCP Server to start with when assigning
IP addresses. 192.168.0.100 is the default start address.
¾
End IP Address -
Specify an IP address for the DHCP Server to end with when assigning IP
addresses. 192.168.0.199 is the default end address.
¾
Address Lease Time -
The
Address Lease Time
is the amount of time a network user will
be allowed connection to the Router with their current dynamic IP Address. Enter the
amount of time in minutes and the user will be "leased" this dynamic IP Address. After the
time is up, the user will be automatically assigned a new dynamic IP address. The range of
the time is 1 ~ 2880 minutes. The default value is 120 minutes.
¾
Default Gateway -
(Optional.) It is suggested to input the IP address of the LAN port of the
Router. The default value is 192.168.0.1.
¾
Default Domain -
(Optional.) Input the domain name of your network.
¾
Primary DNS -
(Optional.) Input the DNS IP address provided by your ISP or consult your
ISP.
¾
Secondary DNS -
(Optional.) Input the IP address of another DNS server if your ISP
provides two DNS servers.
)
Note:
To use the DHCP server function of the Router, you must configure all computers on the LAN as
"Obtain an IP Address automatically".
4.7.2 DHCP Client List
Choose menu “
DHCP
→
DHCP Client List
”, you can view the information about the clients
attached to the Router in the screen as shown in Figure 4-28.
Page 54 / 112
TL-WR841N/TL-WR841ND
300Mbps Wireless N Router User Guide
- 45 -
Figure 4-28
DHCP Clients List
¾
Client Name
-
The name of the DHCP client
¾
MAC Address
-
The MAC address of the DHCP client
¾
Assigned IP
-
The IP address that the Router has allocated to the DHCP client
¾
Lease Time
-
The time of the DHCP client leased. After the dynamic IP address has expired,
a new dynamic IP address will be automatically assigned to the user.
You cannot change any of the values on this page. To update this page and to show the current
attached devices, click the
Refresh
button.
4.7.3 Address Reservation
Choose menu “
DHCP
→
Address Reservation
”, you can view and add a reserved address for
clients via the next screen (shown in Figure 4-29).When you specify a reserved IP address for a
PC on the LAN, that PC will always receive the same IP address each time when it accesses the
DHCP server. Reserved IP addresses should be assigned to the servers that require permanent
IP settings.
Figure 4-29
Address Reservation
¾
MAC Address -
The MAC address of the PC for which you want to reserve an IP address.
¾
Reserved IP Address -
The IP address reserved for the PC by the Router.
¾
Status
-
The status of this entry, either
Enabled
or
Disabled
.
To Reserve an IP address:
1.
Click the
Add New…
button. Then Figure 4-30 will pop up.
2.
Enter the MAC address (in XX-XX-XX-XX-XX-XX format.) and IP address (in dotted-decimal
notation) of the computer for which you want to reserve an IP address.
3.
Click the
Save
button.
Page 55 / 112
TL-WR841N/TL-WR841ND
300Mbps Wireless N Router User Guide
- 46 -
Figure 4-30
Add or Modify an Address Reservation Entry
To modify or delete an existing entry:
1.
Click the
Modify
in the entry you want to modify. If you want to delete the entry, click the
Delete
.
2.
Modify the information.
3.
Click the
Save
button.
Click the
Enable/Disable All
button to make all entries enabled/disabled
Click the
Delete All
button to delete all entries.
Click the
Next
button to go to the next page and Click the
Previous
button to return the previous
page.
4.8 Forwarding
Figure 4-31 The Forwarding menu
There are four submenus under the Forwarding menu (shown in Figure 4-31),
Virtual Servers
,
Port Triggering
,
DMZ
and
UPnP
. Click any of them, and you will be able to configure the
corresponding function.
4.8.1 Virtual Servers
Choose menu “
Forwarding
→
Virtual Servers
”, you can view and add virtual servers in the
screen as shown in Figure 4-32. Virtual servers can be used for setting up public services on
your LAN, such as DNS, Email and FTP. A virtual server is defined as a service port, and all
requests from the Internet to this service port will be redirected to the computer specified by the
server IP. Any PC that was used for a virtual server must have a static or reserved IP Address
because its IP Address may be changed when using the DHCP function.

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