Windows 下 Ping 命令详解
ping 的基本用法想必大家都会,可知不值到有关 ping 命令的高级用法呢
ping [-t] [-a] [-n count] [-l length] [-f] [-i ttl] [-v tos] [-r count] [-s count] [-j computer-list] │ [-k computer-list] [-w
timeout] destination-list
Options:
-t Ping the specified host until stopped.To see statistics and continue - type Control-Break;To stop - type
Control-C.
不停的 ping 地方主机,直到你按下 Control-C。
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 Resolve addresses to hostnames.
解析计算机 NetBios 名。
示例:C:\>ping -a 192.168.1.21
Pinging iceblood.yofor.com [192.168.1.21] with 32 bytes of data:
Reply from 192.168.1.21: bytes=32 time<10ms TTL=254
Reply from 192.168.1.21: bytes=32 time<10ms TTL=254
Reply from 192.168.1.21: bytes=32 time<10ms TTL=254
Reply from 192.168.1.21: bytes=32 time<10ms TTL=254
Ping statistics for 192.168.1.21:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 0ms, Average = 0ms
从上面就可以知道 IP 为 192.168.1.21 的计算机 NetBios 名为 iceblood.yofor.com。
-n count Number of echo requests to send.
发送 count 指定的 Echo 数据包数。
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:
C:\>ping -n 50 202.103.96.68
Pinging 202.103.96.68 with 32 bytes of data:
Reply from 202.103.96.68: bytes=32 time=50ms TTL=241
Reply from 202.103.96.68: bytes=32 time=50ms TTL=241
Reply from 202.103.96.68: bytes=32 time=50ms TTL=241
Request timed out.
………………
Reply from 202.103.96.68: bytes=32 time=50ms TTL=241
Reply from 202.103.96.68: bytes=32 time=50ms TTL=241
Ping statistics for 202.103.96.68:
Packets: Sent = 50, Received = 48, Lost = 2 (4% loss),Approximate round trip times in milli-seconds:
Minimum = 40ms, Maximum = 51ms, Average = 46ms
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。
-l size Send buffer size.