( w8 @# ]2 ^% _' c/ U F Options: - B& D: F& T* q0 W1 L ( x: X! X- |4 `
-t Ping the specified host until stopped.To see statistics and continue - type Control-Break;To stop - type Control-C. # [ b2 H' P! g: @0 }
& ?: F( l- I6 I* L1 X 不停的ping地方主机,直到你按下Control-C。 " B" Y( G- ~7 a, B ? ! |; D1 `9 u2 n! W& |2 m 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。 - P/ p. o8 ~+ I8 k - f, [0 |% L* [ u9 c; ?- p% T+ u1 ? -a Resolve addresses to hostnames. 2 _$ R- T: @$ h8 W 3 f. k O- |6 T7 C6 q; t$ |5 V 解析计算机NetBios名。 $ R0 G& \% m0 m' f 0 V. P# {3 i1 r! a; C. _ 示例:C:\>ping -a 192.168.1.21 & F* }# u* r6 l& e
7 |* w! ?! V0 E, c/ m0 g- j- N Pinging iceblood.yofor.com [192.168.1.21] with 32 bytes of data: % p2 a5 {4 ^: B' C& E$ Z) w3 N ! E4 Q5 |) q! J( d" Q1 [
Reply from 192.168.1.21: bytes=32 time<10ms TTL=254 / P3 g9 Q) J- c ) K% Y, @) k$ N2 o r- X( C Reply from 192.168.1.21: bytes=32 time<10ms TTL=254 8 a, w. h. t. u* n6 N; I/ M
. x0 a9 y' `7 k; F6 K( U; N1 g Reply from 192.168.1.21: bytes=32 time<10ms TTL=254 ) o! E$ `2 R' f: g. E$ F2 o& F/ j ~ & F9 j, t0 q+ X, F 2 b% y J1 a' l6 ~4 |: l& w Reply from 192.168.1.21: bytes=32 time<10ms TTL=254 5 u5 ]' W: W; W% O$ t+ W% g+ k+ C" k
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Ping statistics for 192.168.1.21: : d5 N) \* s" w2 e) e
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Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),Approximate round trip times in milli-seconds: , D- _& Y3 F% C2 U" ?
* x# r. b3 A$ ? Minimum = 0ms, Maximum = 0ms, Average = 0ms # v1 I* U( I7 | 3 m$ f' i# C4 P' m) t' L4 x" H; d
从上面就可以知道IP为192.168.1.21的计算机NetBios名为iceblood.yofor.com。 1 B& |2 i* @0 Y4 p' u% J8 e0 A # w$ i! Q6 Z& e5 c7 g
-n count Number of echo requests to send. + D: F, i0 u8 g2 _6 s' Y& q I0 h & W( i2 p4 o+ K4 I6 P
发送count指定的Echo数据包数。 % z& Y# E; o9 y
" b& m; M7 Z+ J% d* N 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: % f" a# k' b9 t, k( s+ i5 s & J @2 j" |' f
C:\>ping -n 50 202.103.96.68 - L0 D: p, h( o8 ~4 }4 l* ?, t2 Y
2 J8 F5 o+ I5 G Pinging 202.103.96.68 with 32 bytes of data: 3 A+ o1 ^. j& N N/ B 0 [+ C8 x& j: u6 T- N7 U& d Reply from 202.103.96.68: bytes=32 time=50ms TTL=241 J T# G1 y8 Y7 d9 ~% C2 y' |1 {" X; C 2 j6 V9 r( l- ?3 I Reply from 202.103.96.68: bytes=32 time=50ms TTL=241 ( f$ x2 X( O/ n4 E7 m) o & u! O; U$ }4 g3 C9 ` Reply from 202.103.96.68: bytes=32 time=50ms TTL=241 - V/ T8 F1 h' \8 I& K8 B$ v/ C 8 L4 J3 P: _5 B/ }+ z
Request timed out. - d7 }* T4 h3 y$ Y ) ^9 R; \: A; Y- O! M# s, b ……………… & |& e9 t! e0 `4 |4 U1 z
/ e. ]1 Z6 _1 m# [' t* _/ M4 d { Reply from 202.103.96.68: bytes=32 time=50ms TTL=241 1 U# r" I5 R0 ?2 p; `; E, o * S* N9 Y( V0 B0 ]6 E9 ?) e Reply from 202.103.96.68: bytes=32 time=50ms TTL=241 % z) v' v" {% v
) r% L5 ^ G. {! [ Ping statistics for 202.103.96.68: 2 e/ L% f$ W1 Q5 z O$ j 9 x/ \" x3 S6 v Packets: Sent = 50, Received = 48, Lost = 2 (4% loss),Approximate round trip times in milli-seconds: r; \5 k# u5 u; A0 ^ b" g ' P0 [5 @6 ^8 H: v* k: j& M Minimum = 40ms, Maximum = 51ms, Average = 46ms K/ }. u; }+ y2 f( ?0 B/ M
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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。 9 E% c/ A# o8 a# g4 z9 l , T- j' L+ R3 B% Y- [, `3 C% V
-l size Send buffer size. # e5 K6 X$ w$ Z. D+ X 3 @4 C% O3 Q. S A0 {3 F 定义echo数据包大小。作者: 冷雨清心 时间: 2008-9-25 15:54