Originally Posted by ratotopi
yes, you can check if the device is up or not with nagios you don't need plugin, just check if the IP for the particular device is reachable or not.
Sorry, but no. Bluetooth devices don't HAVE IP addresses.
rohitchauhan, you can use any command-line bluetooth tool (like hcitool) and easily write your own script. There may be something for Nagios already done, have you tried checking their website????