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preamble
short-guard-interval
This command sets the length of the signal preamble that is used at the start of a
802.11b/g data transmission.
Syntax
preamble [long | short-or-long]
long - Sets the preamble to long (192 microseconds).
short-or-long - Sets the preamble to short if no 802.11b clients are
detected (96 microseconds).
Default Setting
Short-or-Long
Command Mode
Interface Configuration (Wireless)
Command Usage
◆
Using a short preamble instead of a long preamble can increase data
throughput on the access point, but requires that all clients can support a short
preamble.
◆
Set the preamble to long to ensure the access point can support all 802.11b
and 802.11g clients.
Example
AP(if-wireless 0)# preamble short-or-long
This setting has not been effective !
If want to take effect, please execute make-RF-setting-effective command !
AP(if-wireless 0)#
This command sets the 802.11n guard interval to 400ns (short) or 800ns (long).
Syntax
short-guard-interval <enable | disable>
Default Setting
Disabled
Command Mode
Interface Configuration (Wireless)
Command Usage
The 802.11n draft specifies two guard intervals: 400ns (short) and 800ns (long).
Support of the 400ns guard interval is optional for transmit and receive. The
Chapter 24
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| Wireless Interface Commands
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