fping
--enable-ipv4and--enable-ipv6are on by default- Might require 
setcap cap_net_raw=+ep(orcap_net_raw+eip?) (orchmod 4755orchmod +s) for/usr/bin/fping 
--enable-ipv4 and --enable-ipv6 are on by defaultsetcap cap_net_raw=+ep (or cap_net_raw+eip?) (or chmod 4755 or chmod +s) for /usr/bin/fping