Show elapsed (round-trip) time of packets.

$fping -e www.gnu.org www.gnu.org is alive (301 ms) $fping -e www.gnu.org www.gnu.org is alive (302 ms) $fping -e www.rajagiritech.edu.in www.rajagiritech.edu.in is alive (62.2 ms) $fping www.gnu.org www.gnu.org is alive $ping www.gnu.org PING wildebeest.gnu.org (208.118.235.148) 56(84) bytes of data. 64 bytes from wildebeest.gnu.org (208.118.235.148): icmp_seq=1 ttl=49 time=302 ms 64 bytes from wildebeest.gnu.org (208.118.235.148): icmp_seq=2 ttl=49 time=301 …

Tinkering with the fping command

$fping 192.168.0.1 192.168.0.1 is alive $fping 192.168.0.2 ICMP Host Unreachable from 192.168.0.103 for ICMP Echo sent to 192.168.0.2 ICMP Host Unreachable from 192.168.0.103 for ICMP Echo sent to 192.168.0.2 ICMP Host Unreachable from 192.168.0.103 for ICMP Echo sent to 192.168.0.2 ICMP Host Unreachable from 192.168.0.103 for ICMP Echo sent to 192.168.0.2 192.168.0.2 is unreachable $fping …