讲讲“ping”

Ping命令：验证本机到被Ping目标主机的物理线路连通性。

1、Ping 127.0.0.1 验证本机TCP/IP协议是否安装好；

打开命令提示符，键入“Ping 127.0.0.1”命令

如出现如下所示字样，则表示本机TCP/IP协议安装完好：

Pinging 127.0.0.1 with 32 bytes of data:
Reply from 127.0.0.1: bytes=32 time<10ms TTL=128
Reply from 127.0.0.1: bytes=32 time<10ms TTL=128
Reply from 127.0.0.1: bytes=32 time<10ms TTL=128
Reply from 127.0.0.1: bytes=32 time<10ms TTL=128

Ping statistics for 127.0.0.1:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 0ms, Average = 0ms

否则如出现如下所示字样，则表示本机TCP/IP协议安装不完整，请重新添加TCP/IP协议：

Pinging 127.0.0.1 with 32 bytes of data:
Request timed out.
Request timed out.
Request timed out.
Request timed out.

Ping statistics for 127.0.0.1:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),
Approximate round trip ti