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Section 3: Configuring the Access Point
LAPAC1750PRO Access Point Software User Manual
Fragmentation
Threshold
Specify a number between 256 and 2,346 to set the
frame size threshold in bytes.
The fragmentation threshold is a way of limiting the
size of packets (frames) transmitted over the network. If
a packet exceeds the fragmentation threshold you set,
the fragmentation function is activated and the packet is
sent as multiple 802.11 frames.
If the packet being transmitted is equal to or less than
the threshold, fragmentation is not used.
Setting the threshold to the largest value (2,346 bytes)
effectively disables fragmentation. Fragmentation plays
no role when Aggregation is enabled.
Fragmentation involves more overhead both because
of the extra work of dividing up and reassembling of
frames it requires, and because it increases message
traffic on the network. However, fragmentation can help
improve network performance and reliability if properly
configured.
Sending smaller frames (by using lower fragmentation
threshold) might help with some interference problems;
for example, with microwave ovens.
By default, fragmentation is off. We recommend not using
fragmentation unless you suspect radio interference. The
additional headers applied to each fragment increase
the overhead on the network and can greatly reduce
throughput.
RTS Threshold Specify a Request to Send (RTS) Threshold value between
0 and 2347.
The RTS threshold indicates the number of octets in
an MPDU, below which an RTS/CTS handshake is not
performed.
Changing the RTS threshold can help control traffic flow
through the AP, especially one with a lot of clients. If you
specify a low threshold value, RTS packets will be sent
more frequently. This will consume more bandwidth
and reduce the throughput of the packet. On the other
hand, sending more RTS packets can help the network
recover from interference or collisions which might
occur on a busy network, or on a network experiencing
electromagnetic interference.
Maximum
Stations
Specify the maximum number of stations allowed to
access this AP at any one time.
You can enter a value between 0 and 200.
Transmit Power Enter a percentage value for the transmit power level for
this AP.
The default value, which is 100%, can be more cost-
efficient than a lower percentage since it gives the AP a
maximum broadcast range and reduces the number of
APs needed.
To increase capacity of the network, place APs closer
together and reduce the value of the transmit power.
This helps reduce overlap and interference among APs. A
lower transmit power setting can also keep your network
more secure because weaker wireless signals are less
likely to propagate outside of the physical location of
your network.
Fixed Multicast
Rate
Select the multicast traffic transmission rate you want
the AP to support.
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