, t+ W1 F" q6 M4 w* b$ s( ? -t Ping the specified host until stopped.To see statistics and continue - type Control-Break;To stop - type Control-C. ( ^# X, B% o' r e 0 d4 p& t- T; n9 J* v 不停的ping地方主机,直到你按下Control-C。 ! D" |1 ?! s' P4 O$ G. r: N
2 W/ p0 h* g7 H( X+ i 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。 * A: Z4 y+ z5 b/ i 2 v0 y3 l- z& Y$ B
-a Resolve addresses to hostnames. ( b$ u* J/ |. g' s4 I2 X' i! t / |" u7 R5 E* g) C! |
解析计算机NetBios名。 ) J v8 o) f% O; f. M% X7 ~ ( v( h$ W$ x! W$ { 示例:C:\>ping -a 192.168.1.21 ' x+ r" o$ z, E
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Pinging iceblood.yofor.com [192.168.1.21] with 32 bytes of data: 5 D5 v8 o( ^& ~9 I9 H 7 F% V6 P. s, J$ D1 F3 ^4 d" k
Reply from 192.168.1.21: bytes=32 time<10ms TTL=254 # R: W, d3 W$ f; T* }! W. J , _9 ?1 @, w `; a j Reply from 192.168.1.21: bytes=32 time<10ms TTL=254 & w' B4 l* d4 x. i
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Reply from 192.168.1.21: bytes=32 time<10ms TTL=254 0 u4 M2 F; `: |4 g8 G9 j- d: e: m / o2 ^5 }) f4 ^9 B6 y+ h 2 _5 j0 p$ h' ~( l! W8 W0 w Reply from 192.168.1.21: bytes=32 time<10ms TTL=254 0 f7 t& j Q4 {1 e + k+ V1 J) R. t' { Ping statistics for 192.168.1.21: & `) |6 o6 n. D% F( D
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Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),Approximate round trip times in milli-seconds: , @4 u( ^2 I: w1 m' \
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Minimum = 0ms, Maximum = 0ms, Average = 0ms 5 \. c z1 K/ A 6 W3 {0 p/ F& x b9 D H; @
从上面就可以知道IP为192.168.1.21的计算机NetBios名为iceblood.yofor.com。 & c' J8 p( r6 I$ m A& \ ( i. D" o1 T6 X2 K0 m( B( k
-n count Number of echo requests to send. ! Q& [8 E7 j1 l9 X0 h1 f; G & t; L% N/ F( K. S" g" `
发送count指定的Echo数据包数。 , D+ M2 P/ E) U' k " I- Q) y0 p/ s- E4 `5 h& V 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: % r: V( S) y0 P8 g* X) C
) J" } G* a' R8 ^, B4 V- y( Q C:\>ping -n 50 202.103.96.68 ( f7 S$ A3 N" L9 V1 n+ V- U & M% S. K5 w4 o& P' ~ Pinging 202.103.96.68 with 32 bytes of data: , H* a+ V' z5 `0 X/ }+ @, W; W0 k
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Reply from 202.103.96.68: bytes=32 time=50ms TTL=241 1 K/ w5 V5 B$ j5 M 0 F# i- O2 ^7 x* Z) {$ O Reply from 202.103.96.68: bytes=32 time=50ms TTL=241 1 D g' R$ ~9 A) t 7 V# O @8 O# P3 K- U, M' V
Reply from 202.103.96.68: bytes=32 time=50ms TTL=241 ; y) M9 q+ I! ]+ W9 q9 C* |+ \
. p7 ^6 l) f4 I8 X0 [, x/ ]. n Request timed out. ! k. ]4 ]5 @7 ]5 v6 F
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Reply from 202.103.96.68: bytes=32 time=50ms TTL=241 & \, P. R2 ]2 |: l+ ?
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Reply from 202.103.96.68: bytes=32 time=50ms TTL=241 6 ^- u; h% e5 k2 R: I: j( d9 D, ` " o5 O& y9 p% v/ x2 P Ping statistics for 202.103.96.68: ( ~% X. ?( e. n+ X- N# N
* L, q2 X, M3 @ Packets: Sent = 50, Received = 48, Lost = 2 (4% loss),Approximate round trip times in milli-seconds: 5 {2 o; ?; ^$ b# z, y' ^# c: P6 k# b o+ E' D/ `1 ?& Z Minimum = 40ms, Maximum = 51ms, Average = 46ms 9 w' A) j- D+ m/ @4 z7 N
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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。 v6 F' j, M$ v& H! G' O , H2 Y5 u& c: N; W7 ?/ t
-l size Send buffer size. ) x% N! G$ T$ v ! j# u- y5 a& Q# ^, ~+ U7 n( D" a2 ^ 定义echo数据包大小。作者: 冷雨清心 时间: 2008-9-25 15:54