Network structures
6.1 WLAN
SCALANCE W760/W720 to IEEE 802.11n Command Line Interface
Configuration Manual, 10/2015, C79000-G8976-C351-05
187
With this command, you disable the "DFS" function. This setting is activated as default.
You are in the Interface Configuration mode of the WLAN interface.
The command prompt is as follows:
cli (config-if-wlan-0-X)#
Call the command without parameter assignment:
no wlan dfs
The DFS function is enabled.
You display the setting with the show wlan basic <wlan 0/X> command.
You enable the function with the
wlan dfs command.
wlan dfs (Page 186)
wlan dfs prefer-configured-channel
Description
If the configured channel of a WLAN interface was blocked due to radar detection and is free
again after 30 minutes the access point changes automatically to the configured channel.
Before the access point starts the communication on the configured channel it searches 60
seconds for primary users on the channel. During this time the access point does not send
beacons. If signals are found on the channel, the access point changes channel and repeats
the check. Only when no signals from primary users are detected after 60 seconds does the
access point send on the channel.
If no fixed channel is defined for the access points, the device has no configured channel to
which it can return.
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