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Reference Manual for the ProSafe Wireless 802.11g Firewall/Print Server Model FWG114P v2
Advanced Configuration 10-13
201-10301-02, May 2005
These settings normally do not need to be changed.
• WMM support
WMM (Wireless Multimedia) is a subset of the 802.11e standard. WMM allows wireless
traffic to have a range of priorities, depending on the kind of data. Time-dependent
information, like video or audio, will have a higher priority than normal traffic. For WMM to
function correctly, wireless clients must also support WMM. The default is Disable.
• RTS Threshold
Request to Send Threshold. The packet size that is used to determine if it should use the
CSMA/CD (Carrier Sense Multiple Access with Collision Detection) mechanism or the
CSMA/CA define the 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. 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.
• 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.
• Beacon Interval
Specifies the data beacon rate between 20 and 1000.
•DTIM
The Delivery Traffic Indication Message. Specifies the data beacon rate between 1 and 255.
• Preamble Type
A long transmit preamble may provide a more reliable connection or slightly longer range. A
short transmit preamble gives better performance.