Quick Reference Guide

Advanced Configuration
109
ProSafe Premium 3 x 3 Dual-Band Wireless-N Access Point WNDAP660
Fragmentation Length (256–2346) Enter the maximum packet size that is used for the fragmentation of
data packets. Packets that are larger than the specified fragmentation
length are broken up into smaller packets before being transmitted.
The fragmentation length needs to be an even number. The default
setting is 2346.
Beacon Interval (100–1000) Enter the interval between 100 ms and 1000 ms for each beacon
tra
n
smission, which allows the wireless access point to synchronize
the wireless network. The default setting is 100.
Aggregation Length (1024–65535)
Note: This setting does not apply
to the 80
2.1
1a mode.
Enter the maximum length of aggregated MAC
protocol data unit
(A-MPDU) packets. Larger aggregation lengths could lead to better
network performance. Aggregation is a mechanism used to achieve
higher throughput. The default setting is 65535.
AMPDU
Note: This setting does not apply
to the 80
2.1
1b/bg modes and the
802.11a mode.
Select the Enable rad
io bu
tton to allow the aggregation of several MAC
frames into a single large frame to achieve higher throughput. Enabling
the aggregated MAC protocol data unit (A-MPDU) could lead to better
network performance. By default, the Enable radio button is selected.
RIFS Transmission
Note: This setting does not apply
to the 80
2.11b/bg modes and the
802.11a mode.
Select the Enable
radio button to allow transmission of successive
frames at different transmit powers. Enabling reduced interframe space
(RIFS) could lead to better network performance. By default, the
Disable radio button is selected.
DTIM Interval (1–255) Enter the delivery traffic indication message (DTIM) interval, also
referred
to
as the data beacon rate, which indicates the beacon
delivery traffic indication message period in multiples of beacon
intervals. This value needs to be between 1 and 255. The default
setting is 3.
Preamble Type
Note: This setting does not apply
to the 80
2.1
1a/na modes.
Select one of the following radio buttons to
specify the preamble type:
• Long. A
long transmit preamble might provide a more reliable
connection or a slightly longer range. A short transmit preamble
gives better performance.
• Auto. The Auto se
tting enables the wireless access point to handle
both long and short preambles. The default setting is Auto.
Antenna
Note: This setting does not apply
to the 80
2.1
1a/na modes.
Select one of the following radio buttons to
specify the antenna:
• Internal. En
ables the internal antenna. This is the default setting.
• External. Ena
bles an optional external antenna or antennas.
802.11d
Note: This setting does not apply
to the 802.1
1a/na modes.
Select this check box to enable support for additional regulatory
doma
ins that are not in the current standard; support includes the
addition of a country information element to beacons, probe requests,
and probe responses. This check box is selected by default.
Table 31. Advanced wireless settings (continued)
Setting Description