Reply from 192.168.1.188: bytes=32 time<10ms TTL=64
Reply from 192.168.1.188: bytes=32 time<10ms TTL=64
Reply from 192.168.1.188: bytes=32 time<10ms TTL=64
Reply from 192.168.1.188: bytes=32 time<10ms TTL=64
Reply from 192.168.1.188: bytes=32 time<10ms TTL=64
Reply from 192.168.1.188: bytes=32 time<10ms TTL=64
Reply from 192.168.1.188: bytes=32 time<10ms TTL=64
Reply from 192.168.1.188: bytes=32 time<10ms TTL=64
Ping statistics for 192.168.1.188:
Packets: Sent = 8, Received = 8, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 0ms, Average = 0ms
Control-C
Pinging 000 [192.168.1.100] with 32 bytes of data:
Reply from 192.168.1.100: bytes=32 time<10ms TTL=128
Reply from 192.168.1.100: bytes=32 time<10ms TTL=128
Reply from 192.168.1.100: bytes=32 time<10ms TTL=128
Reply from 192.168.1.100: bytes=32 time<10ms TTL=128
Ping statistics for 192.168.1.100:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 0ms, Average = 0ms
可以得知:
ip 为192.168.1.100的计算机,NETBIOS名为000
再如:
C:\WINDOWS>ping -a 192.168.0.23
Pinging 9.localdomain [192.168.0.23] with 32 bytes of data:
Reply from 192.168.0.23: bytes=32 time<10ms TTL=128
Reply from 192.168.0.23: bytes=32 time<10ms TTL=128
Reply from 192.168.0.23: bytes=32 time<10ms TTL=128
Reply from 192.168.0.23: bytes=32 time<10ms TTL=128
Ping statistics for 192.168.0.23:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 0ms, Average = 0ms
可以得知:
ip 为192.168.0.23的计算机,NETBIOS名为9
Reply from 192.168.1.188: bytes=32 time<10ms TTL=64
Reply from 192.168.1.188: bytes=32 time<10ms TTL=64
Reply from 192.168.1.188: bytes=32 time<10ms TTL=64
Reply from 192.168.1.188: bytes=32 time<10ms TTL=64
Reply from 192.168.1.188: bytes=32 time<10ms TTL=64
Reply from 192.168.1.188: bytes=32 time<10ms TTL=64
Reply from 192.168.1.188: bytes=32 time<10ms TTL=64
Reply from 192.168.1.188: bytes=32 time<10ms TTL=64
Reply from 192.168.1.188: bytes=32 time<10ms TTL=64
Reply from 192.168.1.188: bytes=32 time<10ms TTL=64
Ping statistics for 192.168.1.188:
Packets: Sent = 10, Received = 10, Lost = 0 (0% loss)
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 0ms, Average = 0ms
Request timed out.
Reply from 192.168.1.188: bytes=32768 time=12ms TTL=64
Reply from 192.168.1.188: bytes=32768 time=12ms TTL=64
Reply from 192.168.1.188: bytes=32768 time=12ms TTL=64
Reply from 192.168.1.188: bytes=32768 time=9ms TTL=64
Reply from 192.168.1.188: bytes=32768 time=9ms TTL=64
Reply from 192.168.1.188: bytes=32768 time=9ms TTL=64
Reply from 192.168.1.188: bytes=32768 time=9ms TTL=64
Reply from 192.168.1.188: bytes=32768 time=9ms TTL=64
Reply from 192.168.1.188: bytes=32768 time=9ms TTL=64
Ping statistics for 192.168.1.188:
Packets: Sent = 10, Received = 9, Lost = 1 (10% loss),
Approximate round trip times in milli-seconds:
Minimum = 9ms, Maximum = 12ms, Average = 9ms
(1)、测试网络的通畅
我们知道可以用ping命令来测试一下网络是否通畅,这在局域网的维护中经常用到,方法很简单,只需要在DOS或Windows的开始菜单下的“运行”子项中用ping命令加上所要测试的目标计算机的IP地址或主机名即可(目标计算机要与你所运行ping命令的计算机在同一网络或通过电话线或其它专线方式已连接成一个网络),其它参数可全不加。如要测试台IP地址为196.168.0.23的工作站与服务器是否已连网成功,就可以在服务器上运行:ping -a 196.168.0.23 即可,如果工作站上TCP/IP协议工作正常,即会以DOS屏幕方式显示如下所示的信息:
C:\WINDOWS>ping -a 192.168.0.23
Pinging 9.localdomain [192.168.0.23] with 32 bytes of data:
Reply from 192.168.0.23: bytes=32 time<10ms TTL=128
Reply from 192.168.0.23: bytes=32 time<10ms TTL=128
Reply from 192.168.0.23: bytes=32 time<10ms TTL=128
Reply from 192.168.0.23: bytes=32 time<10ms TTL=128
Ping statistics for 192.168.0.23:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 0ms, Average = 0ms
Ping statistics for 192.168.0.1:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 0ms, Average = 0ms
为什么不管网络是否连通在提示信息中都会有重复四次一样的信息呢(如上的“Reply from 192.168.1.188: bytes=32768 time=12ms TTL=64”和“Request timed out”),那是因为一般系统默认每次用ping测试时是发送四个数据包,这些提示就是告诉你所发送的四个数据包的发送情况。
Ping statistics for 218.26.153.214:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 0ms, Average = 0ms