arping

Discover and probe hosts in a network using the ARP protocol.

Useful for MAC address discovery.

• Ping a host by ARP request packets:

arping {host_ip}

• Ping a host on a specific interface:

arping -I {interface} {host_ip}

• Ping a host and stop at the first reply:

arping -f {host_ip}

• Ping a host a specific number of times:

arping -c {count} {host_ip}

• Broadcast ARP request packets to update neighbours' ARP caches:

arping -U {ip_to_broadcast}

• Detect duplicated IP addresses in the network by sending ARP requests with a 3 second timeout:

arping -D -w {3} {ip_to_check}

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