configure -with-libpcap=included in order to use the compatible version included in Nmap, or you should update the libpcap installed on your machine. You may have to configure Nmap with the command.
Also, on some newer Mac OS X versions, the libpcap version of the library provided by Apple may be too old. Note : I wouldn't normally recommend 3rd party paid apps (see my other answer in which I suggested 'arp'), and I have no connection with these guys and derive nothing from mentioning them - I just feel their product may help you out. As Mac users and administrators develop greater skill and experience, however, they typically graduate to seeking specific Terminal commands to more quickly diagnose and repair network errors.
Note that on some older versions of Mac OS X, you may have to replace the command. It's called 'fing' and it scans your network and tells you the MAC addresses of attached devices - it can also send Wake-on-LAN packets - which is what I use it for. I'm basically looking for something like this but available on Mac.I am trying to connect a new workstation to our wireless multifunction printer and I'm having a hell of a time getting the devic. Once you have installed Xcode and the command-line tools, follow the compilation instructions found in the section called “Linux/Unix Compilation and Installation from Source Code”.
You can install them by opening Xcode from the Applications folder, opening Preferencechoosing the Download header icon and clicking the Install button next to “ Command Line Tools”. Xcode installations don't always include the command line tools.
Xcode is not installed by default, but can be downloaded free of
To see the results from networks of more than 7 devices, please consider the Home or Pro versions of IP Scanner.Apple's developer tools that include GCC and the rest of the usual build IP Scanner is free to use on small networks (up to 7 devices). MAC Address Scan is a convenient and useful LAN MAC address and port scanner for your Mac.MAC Address Scan is capable of finding either all computers on. Local network segments are scanned automatically custom ranges may be added manually.