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How to test if a host ip is accessible or not in Linux, using ARP REQUEST/REPLY packages?

How to test if a host ip is accessible or not in Linux, using ARP REQUEST/REPLY packages ?

Does anyone know the command or have a program in C++/C that does that?

Solution

  • arping may do the magic for you? http://linux.die.net/man/8/arping

    The arping utility performs an action similar to ping command, but at the Ethernet layer. You can send ARP REQUEST to a neighbor host / computers.