tldr/pages/common/arping.md

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# 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 seconds timeout:
`arping -D -w {{3}} {{ip_to_check}}`