9 s ]+ {$ `" E5 p" r Options: ) _% B+ V/ C& p ) Q, D0 @" }- ?4 t8 ?9 t& L
-t Ping the specified host until stopped.To see statistics and continue - type Control-Break;To stop - type Control-C. + S0 S. J0 g- A
% R8 e* x' p% S+ D: e2 p 不停的ping地方主机,直到你按下Control-C。 ) s* ]' h- K6 L7 s7 v* \. S ' i& B' j: ]0 a$ [* `; F6 m4 _* b 此功能没有什么特别的技巧,不过可以配合其他参数使用,将在下面提到。 ) @: L# X- ^: D0 c" b' N# z2 Y" y+ @ 0 m H+ E9 D' }- R8 z5 Y
-a Resolve addresses to hostnames. 3 F) s. W) j$ _2 ~
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解析计算机NetBios名。 . P' c+ N& Y: t3 b5 I 1 N+ K4 B! v- z* J, ~! R. i 示例:C:\>ping -a 192.168.1.21 % d3 h8 y E( V
x& l$ b0 k9 e' I3 J6 b4 G Pinging iceblood.yofor.com [192.168.1.21] with 32 bytes of data: 6 B" Z' F* [2 [) n$ B
$ i9 O. U/ G- p3 g Reply from 192.168.1.21: bytes=32 time<10ms TTL=254 7 Y' p5 H, g# C8 T* p
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Reply from 192.168.1.21: bytes=32 time<10ms TTL=254 1 r8 ]$ S0 e/ C7 ^0 ?
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Reply from 192.168.1.21: bytes=32 time<10ms TTL=254 6 h! \ |$ c. n' F3 l; l5 W r: _# `
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Reply from 192.168.1.21: bytes=32 time<10ms TTL=254 * @8 B, ?- W: ?: t8 x9 ~. {1 e7 K ; X8 b8 C5 c. E+ H! d% V4 r
Ping statistics for 192.168.1.21: # w. j, I5 e% L4 Q6 p1 M
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Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),Approximate round trip times in milli-seconds: ' T7 z; y2 i2 ?7 x $ j+ T E$ w! s& @4 C
Minimum = 0ms, Maximum = 0ms, Average = 0ms : t; J, A6 ]' X
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从上面就可以知道IP为192.168.1.21的计算机NetBios名为iceblood.yofor.com。 , S4 u0 h& o: x% T
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-n count Number of echo requests to send. 7 J0 ~3 |7 |- \+ }
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发送count指定的Echo数据包数。 a& y4 i# B, h, g, }4 B + O+ Z. F7 _) H: n; F 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: - i- r6 Q' [4 p) w, i 0 ^1 @$ C) y* }& { C:\>ping -n 50 202.103.96.68 6 u; }% b* J5 b
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Pinging 202.103.96.68 with 32 bytes of data: 4 @9 ?( u, q5 W* o1 `1 o . _5 G* ^( v& l1 y1 \1 f- X
Reply from 202.103.96.68: bytes=32 time=50ms TTL=241 4 T; ?4 {. Y" Z8 f) g , x- G n3 o u, K: D& a Reply from 202.103.96.68: bytes=32 time=50ms TTL=241 # {& h ~0 u: d, _- Y. M. D
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Reply from 202.103.96.68: bytes=32 time=50ms TTL=241 / }4 k; i9 `+ y* u; j# c 2 k; d) X0 E C
Request timed out. . n2 n6 I0 ~: \+ j; J* M+ | " Z: O3 r2 ?: ~% ~# x9 J# T
……………… # q9 T+ q, ~) ^) n k/ E- k8 C 0 u3 ^. y6 d: C. Y
Reply from 202.103.96.68: bytes=32 time=50ms TTL=241 . r5 T& T. Z$ z2 K : U |5 q6 G2 X" P7 ]9 W Reply from 202.103.96.68: bytes=32 time=50ms TTL=241 - Q: P2 I/ Z" }& ]2 t# @+ M" \7 ?
1 q0 D& c/ a$ B. u/ k Ping statistics for 202.103.96.68: 4 M, P4 O1 K& }0 @; T+ ^7 D
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Packets: Sent = 50, Received = 48, Lost = 2 (4% loss),Approximate round trip times in milli-seconds: 8 e3 D$ _/ m* w0 v" E$ k7 p
" |+ K) u5 g5 B) _. B Minimum = 40ms, Maximum = 51ms, Average = 46ms 8 z8 }- q- u& { . F- @/ [7 d X5 g p" R 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。 & N9 a' s! G- t. _# I * n# y, a i: b' ~ -l size Send buffer size. * ]) J1 w$ S: F% V d