- i6 t. ?: o+ X& E H Options: 9 q# p7 O4 h& ]: E$ ~0 M & o# b+ F- o' L3 G5 A
-t Ping the specified host until stopped.To see statistics and continue - type Control-Break;To stop - type Control-C. * A- o7 a) p6 ?; }! ~
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不停的ping地方主机,直到你按下Control-C。 1 c1 ]8 @( ^8 \
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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。 * M! z/ r1 T4 h. n- L
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-a Resolve addresses to hostnames. + R) o) e3 A$ Y4 s, `5 ~ & j$ M" _. N1 Q K1 _' b/ W+ h
解析计算机NetBios名。 1 Y; K+ V4 Q0 ? ) V6 j, @, d3 j6 \
示例:C:\>ping -a 192.168.1.21 ' t7 [: Z' v+ ~5 O2 F& P) K# T7 |
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Pinging iceblood.yofor.com [192.168.1.21] with 32 bytes of data: & T2 r# y, Q) S9 Z
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Reply from 192.168.1.21: bytes=32 time<10ms TTL=254 9 |1 l9 B i- C' b% r7 @1 m, M 4 a( k, W( R! G8 i- r9 i Reply from 192.168.1.21: bytes=32 time<10ms TTL=254 3 k$ A4 k+ i, H# b6 |) m0 m . g2 y a0 j" V f2 N/ ?8 R
Reply from 192.168.1.21: bytes=32 time<10ms TTL=254 5 @7 ~$ A. t& t. k$ F 8 a* @; ~! R3 N; P$ l: U; S( V & [- b7 Y) ^( }' @ Reply from 192.168.1.21: bytes=32 time<10ms TTL=254 ' R1 J7 b5 i8 S+ \6 Q) u
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Ping statistics for 192.168.1.21: 2 s- S1 W' O5 p# B# y
- ?0 G9 l7 e( {# y Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),Approximate round trip times in milli-seconds: ; S, A' H: c" o' ^% T+ T5 q6 e " r5 V! {6 M9 J" x Minimum = 0ms, Maximum = 0ms, Average = 0ms ' @; g4 Q- V7 U7 O/ m' V
* D5 t6 v& A/ S$ ]1 h9 _ 从上面就可以知道IP为192.168.1.21的计算机NetBios名为iceblood.yofor.com。 5 D7 v9 ~& \* ?! j- A% b/ V3 D 0 D/ V: y! {, R5 p8 k7 Y -n count Number of echo requests to send. 6 B L. y! c6 }/ a; t * [- i* _8 f; A8 h2 h
发送count指定的Echo数据包数。 0 u5 t, }& X, a7 w9 G* I O
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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: 3 G' t) a6 }2 \2 M" d# `! ]9 c( p 5 V4 h }2 i0 n" K$ l$ k+ |
C:\>ping -n 50 202.103.96.68 0 G1 R5 Z& V. S: }6 f0 a " G* `0 I" ?3 }* B6 U' _, u0 s
Pinging 202.103.96.68 with 32 bytes of data: , A! g; @ l7 v5 | " y8 `( @+ B/ E Reply from 202.103.96.68: bytes=32 time=50ms TTL=241 ; }/ \ l k/ i: e
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Reply from 202.103.96.68: bytes=32 time=50ms TTL=241 3 f( ^$ T8 W9 A+ z& y ; K! O. W' G% x4 ]" k
Reply from 202.103.96.68: bytes=32 time=50ms TTL=241 / P6 j( E. e" C. D" w * J# f& g$ u$ Z- g( o" ]
Request timed out. $ B& s& o3 y' G, H - [& i2 p+ e# [7 c ……………… i+ g' l* k, l% N$ d" b) A+ a, i M3 U) t9 F5 e6 ~: q- c2 X
Reply from 202.103.96.68: bytes=32 time=50ms TTL=241 5 Y: I4 Y, }) y, b2 D" @% q# b- c
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Reply from 202.103.96.68: bytes=32 time=50ms TTL=241 . g, @% B# U) ] ; @) z) w0 K s7 I& G
Ping statistics for 202.103.96.68: 9 E9 `9 @- ^& Q( T
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Packets: Sent = 50, Received = 48, Lost = 2 (4% loss),Approximate round trip times in milli-seconds: " \$ z# { F# p# ]+ Q; D! U! \ K; S
( V' Y; J& n4 I, q& w Minimum = 40ms, Maximum = 51ms, Average = 46ms ' f2 y: ?. b( L5 R" o
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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。 5 F) f# T4 C! i4 S0 a4 P
) q6 n# A' g, G) z1 s# w# U -l size Send buffer size. . V1 J$ A0 j: ~, k1 q1 I; C
9 { o, K) j' S 定义echo数据包大小。作者: 冷雨清心 时间: 2008-9-25 15:54