# fping -h Usage: fping [options] [targets...] -a show targets that are alive -A show targets by address -b n amount of ping data to send, in bytes (default 68) -B f set exponential backoff factor to f -c n count of pings to send to each target (default 1) -C n same as -c, report results in verbose format -e show elapsed time on return packets -f file read list of targets from a file ( - means stdin) (only if no -g specified) -g generate target list (only if no -f specified) (specify the start and end IP in the target list, or supply a IP netmask) (ex. fping -g 192.168.1.0 192.168.1.255 or fping -g 192.168.1.0/24) -i n interval between sending ping packets (in millisec) (default 25) -l loop sending pings forever -m ping multiple interfaces on target host -n show targets by name (-d is equivalent) -p n interval between ping packets to one target (in millisec) (in looping and counting modes, default 1000) -q quiet (don't show per-target/per-ping results) -Q n same as -q, but show summary every n seconds -r n number of retries (default 3) -s print final stats -S addr set source address -t n individual target initial timeout (in millisec) (default 500) -u show targets that are unreachable -v show version targets list of targets to check (if no -f specified) | 
