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iwevent




SYNOPSIS

       iwevent


DESCRIPTION

       iwevent  display  Wireless  Events  received  through  the
       RTNetlink  socket. Each line display the specific Wireless
       Event which describe what has happened  on  the  specified
       wireless interface.
       This command doesn't take any arguments.


DISPLAY

       There is two classes of Wireless Events.

       The  first class is events related to a change of wireless
       settings on the interface (typically done through iwconfig
       or  a  script calling iwconfig).  Only settings that could
       result in a disruption of connectivity are  reported.  The
       events  currently reported are changing one of the follow­
       ing setting :
            Network ID
            ESSID
            Frequency
            Mode
            Encryption
       All those events will be generated on all wireless  inter­
       faces  by  the  kernel wireless subsystem (but only if the
       driver has been converted to the new driver API).

       The second class of events are  events  generated  by  the
       hardware,  when  something happens or a task has been fin­
       ished. Those events include :

       New Access Point/Cell address
              The interface has joined a new Access Point or  Ad-
              Hoc  Cell, or lost its association with it. This is
              the same MAC address that is reported by  iwconfig.

       Scan request completed
              A  scanning  request has been completed, results of
              the scan are available (see iwlist).

       Tx packet dropped
              A packet directed at this address has been  dropped
              because  the  interface  believes this node doesn't
              answer anymore (usually maximum of MAC level  retry
              exceeded).  An  early  indication that the node may
              have left the cell or gone out of range, but may be
              due to fading or excessive contention.

       Custom driver event
              Event  specific  to  the  driver.  Please check the
              spy list went under the low threshold or went above
              than the high threshold.

       Only  some of those events will be generated on some wire­
       less interfaces by the wireless driver, and their  support
       depend on the specific hardware/driver combination. Please
       refer to driver documentation for details.


AUTHOR

       Jean Tourrilhes - jt@hpl.hp.com


SEE ALSO

       iwconfig(8), iwlist(8), iwspy(8), iwpriv(8).

net-tools                25 January 2002               IWEVENT(8)
  




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