l2ping
sends L2CAP echo requests to a Bluetooth device, similar to ping for IP networks
TLDR
Ping a Bluetooth device
$ l2ping [AA:BB:CC:DD:EE:FF]
Send specific number of packets$ l2ping -c [5] [AA:BB:CC:DD:EE:FF]
Set packet size$ l2ping -s [1024] [AA:BB:CC:DD:EE:FF]
Use specific Bluetooth adapter$ l2ping -i [hci0] [AA:BB:CC:DD:EE:FF]
Set timeout$ l2ping -t [10] [AA:BB:CC:DD:EE:FF]
SYNOPSIS
l2ping [options] bdaddr_
DESCRIPTION
l2ping sends L2CAP echo requests to a Bluetooth device, similar to ping for IP networks. Measures round-trip time, detects packet loss, and tests Bluetooth connectivity. Part of the BlueZ Bluetooth stack.
PARAMETERS
-i hciX
Use specific Bluetooth adapter.-c count
Number of packets to send.-s size
Size of data packets in bytes.-t timeout
Response timeout in seconds.-d delay
Delay between pings in seconds.-f
Flood ping mode (use with care).-r
Reverse ping mode.
CAVEATS
Requires root privileges. Not all Bluetooth devices respond to L2CAP pings. The Bluetooth adapter must be up and enabled.
SEE ALSO
hcitool(1), bluetoothctl(1)