# ping -c 3 amsterdam.voip.ms
PING amsterdam.voip.ms (37.58.88.242) 56(84) bytes of data.
64 bytes from f2.58.3a25.ip4.static.sl-reverse.com (37.58.88.242): icmp_seq=1 ttl=52 time=98.5 ms
64 bytes from f2.58.3a25.ip4.static.sl-reverse.com (37.58.88.242): icmp_seq=2 ttl=52 time=89.8 ms
64 bytes from f2.58.3a25.ip4.static.sl-reverse.com (37.58.88.242): icmp_seq=3 ttl=52 time=91.9 ms
--- amsterdam.voip.ms ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 89.827/93.439/98.558/3.720 ms
"시간 2001ms"는 무엇을 의미합니까? 실제 패킷 전송 시간과는 관련이 없는 것 같습니다.
답변1
통계는 time
각 패킷 간의 지연을 포함하여 에코 패킷을 보내고 받는 데 소요된 총 시간입니다.
$ time ping 127.0.0.1
PING 127.0.0.1 (127.0.0.1) 56(84) bytes of data.
64 bytes from 127.0.0.1: icmp_seq=1 ttl=64 time=0.049 ms
64 bytes from 127.0.0.1: icmp_seq=2 ttl=64 time=0.039 ms
64 bytes from 127.0.0.1: icmp_seq=3 ttl=64 time=0.039 ms
^C
--- 127.0.0.1 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1998ms
rtt min/avg/max/mdev = 0.039/0.042/0.049/0.007 ms
real 0m2.362s
user 0m0.000s
sys 0m0.000s