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Using smaller DTIM intervals delivers broadcast/multicast frames in a
◆
more timely manner, causing stations in Power Save mode to wake up
more often and drain power faster. Using higher DTIM values reduces
the power used by stations in Power Save mode, but delays the
transmission of broadcast/multicast frames.
E
XAMPLE
AP(if-wireless g)#dtim-period 100
AP(if-wireless g)#
This command sets the packet size threshold at which a Request to Send
rts-threshold
(RTS) signal must be sent to the receiving station prior to the sending
station starting communications.
S
YNTAX
rts-threshold <threshold>
D
EFAULT
2347
C
OMMAND
Interface Configuration (Wireless)
C
OMMAND
If the threshold is set to 0, the access point always sends RTS signals.
◆
If set to 2347, the access point never sends RTS signals. If set to any
other value, and the packet size equals or exceeds the RTS threshold,
the RTS/CTS (Request to Send / Clear to Send) mechanism will be
enabled.
◆
The access point sends RTS frames to a receiving station to negotiate
the sending of a data frame. After receiving an RTS frame, the station
sends a CTS frame to notify the sending station that it can start sending
data.
Access points contending for the wireless medium may not be aware of
◆
each other. The RTS/CTS mechanism can solve this "Hidden Node"
problem.
E
XAMPLE
AP(if-wireless g)#rts-threshold 256
AP(if-wireless g)#
threshold - Threshold packet size for which to send an RTS.
(Range: 0-2347 bytes)
S
ETTING
M
ODE
U
SAGE
– 211 –
| Wireless Interface Commands
C
26
HAPTER
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