fping is a program to send ICMP echo probes to network hosts, similar to ping, but much better performing when pinging multiple hosts.
fping differs from ping in that you can specify any number of targets on the command line, or specify a file containing the lists of targets to ping. Instead of sending to one target until it times out or replies, fping will send out a ping packet and move on to the next target in a round-robin fashion.
In the default mode, if a target replies, it is noted and removed from the list of targets to check; if a target does not respond within a certain time limit and/or retry limit it is designated as unreachable. fping also supports sending a specified number of pings to a target, or looping indefinitely (as in ping ). Unlike ping, fping is meant to be used in scripts, so its output is designed to be easy to parse.
This is free and open source software.
Website: www.fping.org
Support: Documentation, GitHub Code Repository
Developer: Roland Schemers, David Schweikert (current maintainer)
License: Open source
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