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TL;DR

arping

Discover and probe hosts in a network using the ARP protocol. Useful for MAC address discovery. More information: https://github.com/ThomasHabets/arping.

  • 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 finish after the first reply:

arping -f host_ip

  • Ping a host a specific number (count) of times:

arping -c count host_ip

  • Broadcast ARP request packets to update neighbours’ ARP caches (Unsolicited ARP mode):

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

This document was created using the contents of the tldr project.