推荐回答(2个)
ping命令--详细帮助
校验与远程计算机或本地计算机的连接。只有在安装 TCP/IP 协议之后才能使用该命令。
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
参数
-t
校验与指定计算机的连接,直到用户中断。
-a
将地址解析为计算机名。
-n count
发送由 count 指定数量的 ECHO 报文,默认值为 4。
-l length
发送包含由 length 指定数据长度的 ECHO 报文。默认值为 64 字节,最大值为 8192 字节。
-f
在包中发送“不分段”标志。该包将不被路由上的网关分段。
-i ttl
将“生存时间”字段设置为 ttl 指定的数值。
-v tos
将“服务类型”字段设置为 tos 指定的数值。
-r count
在“记录路由”字段中记录发出报文和返回报文的路由。指定的 Count 值最小可以是 1,最大可以是 9 。
-s count
指定由 count 指定的转发次数的时间邮票。
-j computer-list
经过由 computer-list 指定的计算机列表的路由报文。中间网关可能分隔连续的计算机(松散的源路由)。允许的最大 IP 地址数目是 9 。
-k computer-list
经过由 computer-list 指定的计算机列表的路由报文。中间网关可能分隔连续的计算机(严格源路由)。允许的最大 IP 地址数目是 9 。
-w timeout
以毫秒为单位指定超时间隔。
destination-list
指定要校验连接的远程计算机。
关于 Ping 的详细信息
Ping--注意
Ping 命令通过向计算机发送 ICMP 回应报文并且监听回应报文的返回,以校验与远程计算机或本地计算机的连接。对于每个发送报文, Ping 最多等待 1 秒,并打印发送和接收把报文的数量。比较每个接收报文和发送报文,以校验其有效性。默认情况下,发送四个回应报文,每个报文包含 64 字节的数据(周期性的大写字母序列)。
可以使用 Ping 实用程序测试计算机名和 IP 地址。如果能够成功校验 IP 地址却不能成功校验计算机名,则说明名称解析存在问题。这种情况下,要保证在本地 HOSTS 文件中或 DNS
数据库中存在要查询的计算机名。
下面显示 Ping 输出的示例:(Windows用户可用:开始->运行,输入"command" 调出command窗口使用此命令)
C:\>ping ds.internic.net
Pinging ds.internic.net [192.20.239.132] with 32 bytes of data:
Reply from 192.20.239.132: bytes=32 time=101ms TTL=243
Reply from 192.20.239.132: bytes=32 time=100ms TTL=243
Reply from 192.20.239.132: bytes=32 time=120ms TTL=243
Reply from 192.20.239.132: bytes=32 time=120ms TTL=243
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