如何用ping 命令简单测试网速

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Linux 大全命令之ping 命令 Linux ping 命令用于检测主机。执行 ping 指令会使用 ICMP 传输协议，发出要求回应的信息，若远端主机的网络功能没有问题，就会回应该信息，因而得知该主机运作正常。阅读详情

AI摘要

本文介绍了利用ping命令计算网速的方法，给出命令格式“ping ip地址 -l 字节数”，并说明了网速计算公式为(发送的字节数/返回的时间[毫秒])K字节。还通过示例展示计算过程，最后附上ping命令的帮助说明。

命令格式：

ping ip地址 -l 字节数

注：上面的命令中 l 是字母l,不是数字1

网速等于≈(发送的字节数/返回的时间[毫秒])K字节

以上计算的结果速为字节(byte)，不是我们通常说的位(bps)

如：

C:/Documents and Settings/Administrator>ping 202.101.224.68 -l 1000

Pinging 202.101.224.68 with 1000 bytes of data:

Reply from 202.101.224.68: bytes=1000 time=38ms TTL=251
Reply from 202.101.224.68: bytes=1000 time=38ms TTL=251
Reply from 202.101.224.68: bytes=1000 time=38ms TTL=251
Reply from 202.101.224.68: bytes=1000 time=38ms TTL=251

Ping statistics for 202.101.224.68:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 38ms, Maximum = 38ms, Average = 38ms

根据上述发送及返回的信息可以简单得出到地址202.101.224.68的网速为：

网速等于≈(发送的字节数/返回的时间[毫秒])K字节
≈1000/38K字节
≈26.32K字节

附：ping命令帮助说明

C:/Documents and Settings/Administrator>ping /?

Usage: ping [-t] [-a] [-n count] [-l size] [-f] [-i TTL] [-v TOS]
[-r count] [-s count] [[-j host-list] | [-k host-list]]
[-w timeout] [-R] [-S srcaddr] [-4] [-6] target_name

Options:
    -t             Ping the specified host until stopped.
                   To see statistics and continue - type Control-Break;
                   To stop - type Control-C.
    -a             Resolve addresses to hostnames.
    -n count       Number of echo requests to send.
    -l size        Send buffer size.
    -f             Set Don't Fragment flag in packet (IPv4-only).
    -i TTL         Time To Live.
    -v TOS         Type Of Service (IPv4-only).
    -r count       Record route for count hops (IPv4-only).
    -s count       Timestamp for count hops (IPv4-only).
    -j host-list   Loose source route along host-list (IPv4-only).
    -k host-list   Strict source route along host-list (IPv4-only).
    -w timeout     Timeout in milliseconds to wait for each reply.
    -R             Trace round-trip path (IPv6-only).
    -S srcaddr     Source address to use (IPv6-only).
    -4             Force using IPv4.
    -6             Force using IPv6.