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Page 51 / 78 Scroll up to view Page 46 - 50
RangeMax NEXT Wireless-N Access Point WN802T Reference Manual
Management
4-7
v1.0, August 2007
•
The
Wired Ethernet
section of the table displays traffic statistics for the wired Ethernet
interface.
•
The
Wireless
section displays traffic statistics for the wireless interface.
2.
Click
Refresh
to update the current statistics.
Configuring the Advanced Wireless Settings
We recommend that the Advanced Wireless Settings should be modified only by an administrator
very familiar with the ramifications of changing the Wireless LAN parameters. If set incorrectly,
they can adversely affect the performance or connectivity of your wireless access point. The
default settings should be adequate in most situations. Following is a description of each of the
Wireless LAN Parameters.
•
WMM Support.
Wi-Fi Multimedia (WMM) is a Quality of Service (QoS) feature that
provides prioritization of wireless data packets from different applications based on four
access categories: voice, video, best effort, and background. For an application to receive the
benefits of WMM QoS, both the application and the client running that application must be
WMM-enabled. Legacy applications that do not support WMM, and applications that do not
require QoS, are assigned to the best-effort category, which receives a lower priority than
voice and video.
The default setting is Enabled.
•
RTS Threshold.
The Request to Send Threshold packet size determines if the wireless access
point should use the CSMA/CD (Carrier Sense Multiple Access with Collision Detection)
mechanism or the CSMA/CA mechanism for packet transmission:
–
With the CSMA/CD transmission mechanism, the transmitting station sends out the actual
packet as soon as it has waited for the silence period.
Figure 4-7
Page 52 / 78
RangeMax NEXT Wireless-N Access Point WN802T Reference Manual
4-8
Management
v1.0, August 2007
–
With the CSMA/CA transmission mechanism, the transmitting station sends out an RTS
packet to the receiving station, and waits for the receiving station to send back a CTS
(Clear to Send) packet before sending the actual packet data.
The default value is 2346.
•
Fragmentation Length.
This is the maximum packet size used for fragmentation. Packets
larger than the size programmed in this field will be fragmented. The Fragment Threshold
value must be larger than the RTS Threshold value.
The default value is 2346
•
Beacon Interval.
The Beacon Interval specifies the interval of time between 20ms and
1000ms for each beacon transmission.
The default value is 100 ms.
•
DTIM Interval.
The Delivery Traffic Indication Message Interval specifies the data beacon
rate between 1 and 255.
The default value is 1.
•
Preamble Type
.
A long transmit preamble may provide a more reliable connection or slightly
longer range. A short transmit preamble gives better performance. The Auto setting will
automatically handle both long and short preamble.
The default setting is Auto.
The Wireless Optimization Settings feature allows you to adapt the wireless performance
depending on the type of wireless clients that will be used in your network. The available
settings are:
•
11Next Max Speed.
This setting yields the best Wireless N performance when only 802.11n
clients are present. This is the default setting.
•
11b/g/Next Mixed Mode.
This setting yields the best overall performance when a mixture of
802.11b, 802.11g, and 802.11n clients are present.
To modify the Advanced Wireless Settings:
1.
Select
Wireless Settings
under the
Advanced
menu on the left navigation pane of the user
interface. The
Advanced Wireless Settings
screen will display.
Page 53 / 78
RangeMax NEXT Wireless-N Access Point WN802T Reference Manual
Management
4-9
v1.0, August 2007
2.
Make the changes to the Wireless LAN Settings based on the field descriptions
outlined above.
3.
Click
Apply
for your changes to take effect.
Configuring the RADIUS Server Settings
RADIUS (Remote Authentication Dial In User Service) is a protocol for managing
Authentication, Authorization and Accounting (AAA) of multiple users in a network. A RADIUS
server stores a database of user information, and can validate a user at the request of a gateway
device in the network when a user requests access to network resources. The wireless access point
can relay login information from wireless clients to an external RADIUS server for AAA services.
In an environment with many users, using a RADIUS server allows centralized control for
individual users, providing better network security than using a single preshared key for all users.
Figure 4-8
Page 54 / 78
RangeMax NEXT Wireless-N Access Point WN802T Reference Manual
4-10
Management
v1.0, August 2007
Configure the RADIUS Server Settings menu with the parameters described in
Table 4-1
:
To configure the RADIUS Server Settings:
1.
Select
Radius Server Settings
under the
Security
menu on the left navigation pane of the
user interface. The
Radius Server Settings
screen will display.
Table 4-1.
RADIUS Server Settings Fields
Field
Description
Primary and Secondary
Authentication Servers
The Authentication RADIUS Server provides authentication and access control.
The primary server is mandatory. A secondary server, which will be used if the
primary server fails, is optional.
IP Address
The IP address of the authentication server. If no server is present, enter
0.0.0.0.
Port Number
The port number used for communication to the authentication server. The
default port number for an authentication server is 1812.
Shared Secret
The shared secret to establish a client connection to the Radius server, as
entered on the server itself.
Re-authentication Time
The time interval in seconds after which the supplicant will be authenticated
again with the RADIUS Server.
The default interval is 3600 seconds.
Update Global Key
Enable this option to have the Global Key changed according to the time
interval specified. If enabled, enter the desired time interval.
The default is enable, and the default interval is 3600 Seconds
Update if any station
disassociates
Enable this option to refresh the Global Key whenever any station disassociates
with the wireless access point. The default is disable.
Primary and Secondary
Accounting Servers
The Accounting RADIUS Server provides accounting services. The same
RADIUS server may be used for both authentication and accounting, but the
port numbers for authentication and accounting must be different. The
accounting servers are optional.
IP Address
The IP address of the accounting server. If no server is present, enter 0.0.0.0.
Port Number
The port number used for communication to the accounting server. The default
port number for an accounting server is 1813.
Shared Secret
The shared secret to establish a client connection to the RADIUS server, as
entered on the server itself.
Page 55 / 78
RangeMax NEXT Wireless-N Access Point WN802T Reference Manual
Management
4-11
v1.0, August 2007
2.
Make the changes to the RADIUS Server Settings based on the field descriptions outlined
above.
3.
Click
Apply
for your changes to take effect.
Figure 4-9

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