" D3 L: ^4 C' @2 h. V Options: 0 X$ O7 ?1 s. k7 r, X* @2 Q * u$ O- v" c- J. ]! ~' | -t Ping the specified host until stopped.To see statistics and continue - type Control-Break;To stop - type Control-C. ' t9 T! @2 D) I( |# w
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不停的ping地方主机，直到你按下Control-C。 . v t/ u( M+ ]) o$ W2 U
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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。 " v `, {, [8 Y9 ~( D% X * e' { k+ q2 H+ ~& ~3 ~
-a Resolve addresses to hostnames. 8 l2 P' P3 a9 v8 t2 j% a
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解析计算机NetBios名。 * d" h# ]4 C: ]- d
0 y7 Y, m1 Z- }6 C: b 示例：C:＼>ping -a 192.168.1.21 0 O5 C& c- y. N+ [
5 o1 L4 |: X1 S$ E* D4 A+ d& e Pinging iceblood.yofor.com [192.168.1.21] with 32 bytes of data: + t2 p) V4 {# E! t 9 T+ ]. V T& c Reply from 192.168.1.21: bytes=32 time<10ms TTL=254 3 ?2 h/ I% n e. \ % } d) }; K7 c7 S7 q/ e5 x
Reply from 192.168.1.21: bytes=32 time<10ms TTL=254 " v5 T' _, q+ O+ X/ U+ n / _/ M$ x5 D: [2 E: v Reply from 192.168.1.21: bytes=32 time<10ms TTL=254 ; Z6 T7 ?8 F- j
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Reply from 192.168.1.21: bytes=32 time<10ms TTL=254 ! b* t0 {6 P! L* I& f
8 G- G) H: v# o Ping statistics for 192.168.1.21: 3 N( r7 H/ u& s2 P- r ? [9 ^! d% a( W9 Y" \
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),Approximate round trip times in milli-seconds: ( n+ c7 U+ E6 o( J/ H V1 Z
n+ |0 Q9 k8 c9 e% J* F) ` Minimum = 0ms, Maximum = 0ms, Average = 0ms ' y2 j" n) o/ f F4 A0 h7 `6 S% Q4 N
从上面就可以知道IP为192.168.1.21的计算机NetBios名为iceblood.yofor.com。 8 t, B5 \& h u% V4 P( H+ m : P% @& O( i0 B* Q
-n count Number of echo requests to send. 4 E! O% a1 n- u
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发送count指定的Echo数据包数。 % V4 K* \1 l9 _/ |# Y ( T( w& K+ { A0 y
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： 7 c \" ^: p& w4 T 4 ~1 X$ q1 N$ K3 e& V" f" f" E C:＼>ping -n 50 202.103.96.68 " @- ~ x! M" k. J: [1 r6 d
! n& F" d5 l3 W; x3 x Pinging 202.103.96.68 with 32 bytes of data: . ?( O. y* L4 n0 S. a ; D7 D& N( i1 \- w9 e, ^7 a
Reply from 202.103.96.68: bytes=32 time=50ms TTL=241 & B5 r( k8 d. F; L
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Reply from 202.103.96.68: bytes=32 time=50ms TTL=241 9 A2 ?$ j% r7 Y: {
# ^1 s1 _7 ^. N( U& y/ W1 d' J/ } Reply from 202.103.96.68: bytes=32 time=50ms TTL=241 $ ?/ e+ A, a% Y5 T
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Request timed out. + S. `! |8 k( u 4 j1 O: ^4 E& o
……………… : @( A+ a. P1 N6 r% z$ V0 y$ Q ! a9 M3 F! C+ R+ l4 Q" l; p Reply from 202.103.96.68: bytes=32 time=50ms TTL=241 ' @# X0 f6 g5 p4 L( i0 @ 6 F, s7 Y- `/ [ Reply from 202.103.96.68: bytes=32 time=50ms TTL=241 8 k# f" N8 h2 s% G( r! w
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Ping statistics for 202.103.96.68: 8 H+ b O! o" }( i3 ~; F 5 I- F3 J, t% o/ {! o+ [9 H1 P1 F Packets: Sent = 50, Received = 48, Lost = 2 (4% loss),Approximate round trip times in milli-seconds: - ^% u' _8 @1 S/ w9 m
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Minimum = 40ms, Maximum = 51ms, Average = 46ms 0 ?( }1 s6 Z+ g& |' F/ T + _ B$ @1 b. f- t0 ?6 h
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。 $ X" n, o0 O3 Y; b) @+ Z: i- ~ % w4 O2 F, f$ h -l size Send buffer size. 6 B9 S( Q8 V- I b' j2 o
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定义echo数据包大小。作者: 冷雨清心 时间: 2008-9-25 15:54
