) [& N8 w* J: t0 A" Z3 }+ L# h ) B3 O) c1 y( C( t9 y Reply from 192.168.1.21: bytes=32 time<10ms TTL=254 4 h; E; e: I. n
/ E3 u6 y0 o S3 Z8 F Ping statistics for 192.168.1.21: & \8 Q# `9 z% D \ } e* x( P! n. Y J Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),Approximate round trip times in milli-seconds: 7 u6 t& E; q& T) u
3 W1 O6 c/ N3 \. L; { ~6 J Minimum = 0ms, Maximum = 0ms, Average = 0ms . `/ u6 k+ F9 \! \- D
- p1 F" F# w2 f* I 从上面就可以知道IP为192.168.1.21的计算机NetBios名为iceblood.yofor.com。 ! l5 Z3 n+ r! z9 P1 { . t$ d0 N2 i# c1 i8 n
-n count Number of echo requests to send. ! F( O) V. @1 Z K, R " i f7 V% O0 F 发送count指定的Echo数据包数。 * { j! M: h6 J+ f7 X% Y( C - O* J3 H9 {* l 在默认情况下,一般都只发送四个数据包,通过这个命令可以自己定义发送的个数,对衡量网络速度很有帮助,比如我想测试发送50个数据包的返回的平均时间为多少,最快时间为多少,最慢时间为多少就可以通过以下获知: : C* A. t' j1 i w2 F" h( i# j0 Z 1 x. R. z+ W7 a8 L
C:\>ping -n 50 202.103.96.68 - ^9 Y j& p" b5 \: o w0 d( M7 n* L+ A' {
Pinging 202.103.96.68 with 32 bytes of data: , B1 x6 U1 y) v5 I8 k. b
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Reply from 202.103.96.68: bytes=32 time=50ms TTL=241 # ]* B4 U4 Y9 M, {: G. D! E1 x
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Reply from 202.103.96.68: bytes=32 time=50ms TTL=241 $ B! }5 K: b/ Q- \ 2 z; d6 B" P+ O Reply from 202.103.96.68: bytes=32 time=50ms TTL=241 # u) }2 r# |2 ?+ v! S1 O; R m ) n7 K4 h9 ~) u% [1 r- ?6 \# m4 F Request timed out. 3 { v: a2 |; r, I+ L2 L 0 q. T7 n, T3 A# p ……………… ; C& p% w) c0 g1 C $ `% C9 Q/ z7 [8 l) U T Reply from 202.103.96.68: bytes=32 time=50ms TTL=241 & _( p# I2 W6 t' ^1 u
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Reply from 202.103.96.68: bytes=32 time=50ms TTL=241 5 p7 e4 Q9 }' L( l2 k' n! G / k& _' j* a" s( z Ping statistics for 202.103.96.68: $ ?$ y0 }, T# L- n& R* w 1 m5 q, f5 G0 Z( C Packets: Sent = 50, Received = 48, Lost = 2 (4% loss),Approximate round trip times in milli-seconds: : @# d; w' g# G, F! K9 b & O* j$ M; h4 H5 B; H. g! V; V Minimum = 40ms, Maximum = 51ms, Average = 46ms ( f+ w G; f) B- x( X& e6 g# l
/ n' w* a( z" z5 Y2 o9 R3 t 从以上我就可以知道在给202.103.96.68发送50个数据包的过程当中,返回了48个,其中有两个由于未知原因丢失,这48个数据包当中返回速度最快为40ms,最慢为51ms,平均速度为46ms。 $ e8 q/ ]- [0 U# V- a 0 A' x; r" }; e$ E& m6 l -l size Send buffer size. 4 |( M6 @ B6 x3 \6 R( h