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# fping 3

fping is a program to send ICMP echo probes to network hosts, similar to ping,
but much better performing when pinging multiple hosts. fping has a long long
story: Roland Schemers did publish a first version of it in 1992 and it has
established itself since then as a standard tool.

_Current maintainer_:  
  David Schweikert \<david@schweikert.ch\>

_Website_:  
  http://fping.org/

_Mailing-list_:  
  https://groups.google.com/group/fping-users

## Installation

If you want to install fping from source, proceed as follows:

0. Run ./autogen.sh
   (only if you got the source from github)
1. Run ./configure with the correct arguments
   (see: ./configure --help)
2. Run make; make install
3. Make fping either setuid, or, if under Linux:
   sudo setcap cap_net_raw+ep fping
4. Have a look at the fping(8) manual for usage help
   (fping -h will also give a minimal help output)

## Usage

See: [fping man-page](doc/fping.pod)

## IPv6 support
You can can compile fping with support for IPv6 addresses. A separate binary
is used for that, called fping6. To build it, use ./configure --enable-ipv6
(possibly combined with --enable-ipv4 to also build fping for IPv4). E.g.:

    # ./configure --prefix=/usr/local --enable-ipv4 --enable-ipv6
    # make
    # make install
    # sudo setcap cap_net_raw+ep /usr/local/bin/fping*

## Credits
Original author:  Roland Schemers (schemers@stanford.edu)
Previous maintainer:  RL "Bob" Morgan (morgan@stanford.edu)
Initial IPv6 Support: Jeroen Massar (jeroen@unfix.org / jeroen@ipng.nl)
Other contributors: see ChangeLog