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SonicOS 5.8.1 Administrator Guide
Beaconing & SSID Controls
1. Select Hide SSID in Beacon. Suppresses broadcasting of the SSID name and disables
responses to probe requests. Checking this option helps prevent your wireless SSID from
being seen by unauthorized wireless clients.
2. Type a value in milliseconds for the Beacon Interval. Decreasing the interval time makes
passive scanning more reliable and faster because Beacon frames announce the network
to the wireless connection more frequently.
Advanced Radio Settings
The following other advanced settings can be configured.
Step 1 Enable Short Slot Time: Select Enable Short Slot Time to increase performance if you only
expect 802.11g traffic. 802.11b is not compatible with short slot time.
Step 2 The Antenna Diversity setting determines which antenna the wireless security appliance uses
to send and receive data.
Step 3 Select Full Power from the Transmit Power menu to send the strongest signal on the WLAN.
For example, select Full Power if the signal is going from building-to-building. Half Power is
recommended for office-to-office within a building, and Quarter Power or Eighth Power are
recommended for shorter distance communications.
Step 4 Select Short or Long from the Preamble Length menu. Short is recommended for efficiency
and improved throughput on the wireless network.
Step 5 The Fragmentation Threshold (bytes) is 2346 by default. Increasing the value means that
frames are delivered with less overhead but a lost or damaged frame must be discarded and
retransmitted.
Step 6 The RTS Threshold (bytes) is 2346 by default. If network throughput is slow or a large number
of frame retransmissions is occurring, decrease the RTS threshold to enable RTS clearing.
Step 7 The default value for the DTIM Interval is 1. Increasing the DTIM Interval value allows you to
conserve power more effectively.