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-a

Lists targets that responded

-A

Lists targets by address instead of hostname

-b <num>

Sends <num> bytes of data per ICMP packet (default 56)

-B <f>

Tells fping to wait <f> times longer for a reply after each successive failed request (default 1.5)

-c <num>

Number of Pings to send to each target (default 1)

-C <num>

Same as above but prints additional statistics for each host

-e

Displays elapsed time on return packets

-f <file>

Reads the target list from <file> (use “-” for standard input)

-g

Tells fping to generate a target list by specifying the start and end address (ex. ./fping -g 192.168.1.0 192.168.1.255) or an IP/subnet mask (ex. ./fping -g 192.168.1.0/24)

-i <num>

Interval (in milliseconds) to wait between Pings (default 25)

-l

Sends Pings forever

-m

Pings multiple interfaces on target host

-n

Displays targets by name (-d is equivalent)

-p <num>

Interval (in milliseconds) between Pings to an individual target (in looping and counting modes, default 1000)

-q

Doesn’t show per-target/per-Ping results

-Q <num>

Same as -q, but show summary every <num> seconds

-r <num>

When a host doesn’t respond, retries the host <num> times (default 3)

-s

Displays summary statistics

-t <num>

Timeout (in milliseconds) for individual targets (default 500)

-u

Displays targets that are unreachable

-v

Displays version number