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I have been experimenting with pinging a list of known Bluetooth MAC addresses for a tracking project with a Pi 3, however, the ping does not seem to time out until after 5-7 seconds if there is no device detected. In contrast if there is a device it will only take around 1 second before it moves on. Even with -t there seems to be no overriding it.

sudo l2ping -c 1 -t 1 xx:xx:xx:xx:xx:xx

Is there any way to force a faster timeout?

EDIT: Corrected flag order

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  • usually arguments go before the final address. from l2ping usage: l2ping [-i device] [-s size] [-c count] [-t timeout] [-d delay] [-f] [-r] [-v] <bdaddr> so maybe try 'sudo l2ping -t 1 -c 1 xx:xx:xx:xx:xx:xx
    – Chad G
    Feb 15, 2019 at 0:24
  • I've tried 'sudo l2ping -c 1 -t 1 xx:xx:xx:xx:xx:xx' and 'sudo l2ping -t 1 -c 1 xx:xx:xx:xx:xx:xx' as well now, both take ~7 seconds still to execute, but thanks for catching that.
    – Cecil BN
    Feb 15, 2019 at 16:04

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