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Wireless Interface Commands
BreezeMAX Wi² and BreezeACCESS Wi² System Manual 219
Example
5.18.7 radio-mode
This command forces the operating mode for the 802.11g wireless interface.
Syntax
radio-mode <b | g | b+g>
• b - b-only mode: Both 802.11b and 802.11g clients can communicate with the AP, but 802.11g
clients can only transfer data at 802.11b standard rates (up to 11 Mbps).
• g - g-only mode: Only 802.11g clients can communicate with the AP (up to 54 Mbps).
• b+g - b & g mixed mode: Both 802.11b and 802.11g clients can communicate with the AP (up to
54 Mbps).
Default Setting
b+g mode
Command Mode
Interface Configuration (Wireless - 802.11g)
Command Usage
• For Japan, only 13 channels are available when set to g or b+g modes. When set to b mode, 14
channels are available.
• Both the 802.11g and 802.11b standards operate within the 2.4 GHz band. If you are operating
in g mode, any 802.11b devices in the service area will contribute to the radio frequency noise
and affect network performance.
Example
5.18.8 preamble
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 - 802.11b/g)
Command Usage
• Using a short preamble instead of a long preamble can increase data throughput on the AP, but
requires that all clients can support a short preamble.
• Set the preamble to long to ensure the AP can support all 802.11b and 802.11g clients.
Enterprise AP(if-wireless g)#transmit-power half
Enterprise AP(if-wireless g)#
Enterprise AP(if-wireless g)#radio-mode g
Enterprise AP(if-wireless g)#