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{{Lowercase|fping}}


{{Redirect category shell|
'''fping''' is a ] utility program that can be ] and run on various ] ]s. It is similar to the ] program in that it sends out ] and reports on host reachability, packet loss, and round trip delay. Unlike the ping program, fping has the ability to send out ICMP packets to multiple hosts in parallel reducing the time required for checking large numbers of hosts.
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With fping’s various features, the user can specify the interval between pinging a certain host, record the package route, resolve names from IP addresses and much more <ref>"fping free download". Freedownloadscenter.com.2002.http://www.freedownloadcenter.com/Network_and_Internet/Misc_Networking_Tools/Fping.html. (12 May 2009).</ref> Not only does fping use ICMP as stated above, but it can use raw sockets as well.
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Since fping can ping any number of hosts, it does so without flooding the network<ref>"fping". Filewatcher.com.2009. http://dir.filewatcher.com/d/OpenBSD/3.4/hppa/fping-2.2b1.tgz.117192.html. (12 May 2009).</ref> If a host replies, it is noted and removed from the host checklist <ref>"fping". Filewatcher.com.2009. http://dir.filewatcher.com/d/OpenBSD/3.4/hppa/fping-2.2b1.tgz.117192.html. (12 May 2009).</ref> However, if the host is unresponsive within a particular time restriction and/or retry limit, it will be deemed unreachable <ref>"fping". Filewatcher.com.2009. http://dir.filewatcher.com/d/OpenBSD/3.4/hppa/fping-2.2b1.tgz.117192.html. (12 May 2009).</ref>

Fping is meant to be used in scripts and thus its output is intended to be easily parsed as opposed to the ping program <ref>Gite, vivek. "Testing Connectivity with fping and send mail if any hosts are unreachable." cyberciti.biz. 2009. http://www.cyberciti.biz/tips/linux-unix-profiling-network-connectivity-with-fping.html (12 May 2009).</ref>


'''Examples of Fping Commands'''

This command is used to determine if the router is up<ref>Gite, vivek. "Testing Connectivity with fping and send mail if any hosts are unreachable." cyberciti.biz. 2009. http://www.cyberciti.biz/tips/linux-unix-profiling-network-connectivity-with-fping.html (12 May 2009).</ref>:

fping router

An example output:

Router is alive


In order to ping an entire network, such as Class C is as follows<ref>"fping". mkssoftware.com.2009. http://www.mkssoftware.com/docs/man1/fping.1.asp (12 May 2009).</ref>:

Fping –g 192.168.1.0/24

OR if you prefer the lengthy version:

Fping –g 192.168.1.0 192.168.1.255



==External links==
*


== See also ==
* ], ] command included in IBM Cluster Systems Management for sending ICMP packets to multiple hosts in parallel


]

{{network-software-stub}}

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