Important

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Arping Package

arping is a utility to test the reachability and responsiveness of hosts to ARP. It is effectively like ICMP ping, except using ARP instead. This is beneficial in circumstances where the host has a firewall enabled (every host even firewalled will respond to ARP), or there is no layer 3 connectivity on the IP subnet of the host and hence cannot ping, but do have layer 2 connectivity.

The arping package can be very useful when trying to pick an unused IP address for a subnet to which there is not yet a route or link, but is connected at Layer 2.

See also

Visit the arping website for more information.

Package Support

This package is currently supported by Netgate TAC to those with an active support subscription.