Use Channel Switch Announcement (CSA) without DFS

Michal Kazior michal.kazior at
Wed Jul 27 22:02:30 PDT 2016

On 28 July 2016 at 00:42, Gaurang Ramesh Naik <gaurang at> wrote:
> Hi All,
> Is it possible to use CSA when the AP operates on channel that do not
> require DFS? Can I trigget CSA from the AP in some way?

You can ask hostapd via hostapd_cli to:

 chan_switch 5 5180

This will start CSA with CS count=5 to frequency 5180. If you type
chan_switch without argument I believe you should get help/usage on
the command.


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