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Configuring the Radio Network 4 - 5<br />

Using the Configuration Radio IEEE 802.11 Menu<br />

Configuration Radio I80211 Menu<br />

Option Value Description<br />

1 - Beacon [ 100 ] - Beacon period in Kusec<br />

2 - Dtim [ 2 ] - DTIM interval<br />

3 - Extend [ on ] - Allow proprietary extensions<br />

4 - Bcst_ssid [ on ] - Allow broadcast SSID<br />

5 - Rts [ 2048 ] - RTS/CTS packet size threshold<br />

6 - Privacy [ menu ] - Privacy configuration<br />

7 - Encapsulation [ menu ] - Configure packet encapsulation<br />

Enter an option number or name, “=” main menu, previous menu<br />

>_<br />

Setting the Beacon Period (Beacon)<br />

The beacon interval is the time (in kilo-microseconds) between transmissions<br />

of the IEEE 802.11 beacon packet. The beacon packets are primarily<br />

used for radio network synchronization.<br />

A small beacon period means faster response for roaming no<strong>de</strong>s. The<br />

<strong>de</strong>fault value is typically a<strong>de</strong>quate.<br />

Setting the Forwarding Time Interval (DTIM)<br />

The DTIM count <strong>de</strong>termines the count of normal beacons between the<br />

special DTIM beacons. If there no power saving client no<strong>de</strong>s in a cell, as<br />

is usually the case with bridges, it is not used.<br />

If there are power saving no<strong>de</strong>s present, the 802.11 protocol <strong>de</strong>fines that<br />

all power saving no<strong>de</strong>s must, at the minimum, wake up to receive the<br />

DTIM beacons. If power save no<strong>de</strong>s are present, the AP will also buffer<br />

any multicast packets it receives from the LAN and only transmit them<br />

after the DTIM beacon.<br />

Setting the DTIM count low causes the multicasts to be transmitted<br />

more frequently, but sets a lower upper limit as to how long a power<br />

save no<strong>de</strong> may remain asleep.

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