1-3、ping 和tracert 命令

发布时间：2019-09-13 09:26:59编辑：auto阅读（1692）

    1-3、ping 和tracert 命令的使用

    1-3、ping 和tracert 命令的使用

    C:\>ping 192.168.0.1

    Pinging 192.168.0.1 with 32 bytes of data:
    Reply from 192.168.0.1: bytes=32 time=12ms TTL=64
    Reply from 192.168.0.1: bytes=32 time=12ms TTL=64
    Reply from 192.168.0.1: bytes=32 time=5ms TTL=64
    Reply from 192.168.0.1: bytes=32 time=2ms TTL=64

    Ping statistics for 192.168.0.1:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
    Approximate round trip times in milli-seconds:
    Minimum = 2ms, Maximum = 12ms, Average = 7ms

    C:\>

    TTL有3个值，64 , 128 , 255
    对应的OS linux , windows, router
    其实这是不准确的，可以修改注册表的值来改变TTL的值

    C:\>ping www.baidu.com

    Pinging www.a.shifen.com [14.215.177.39] with 32 bytes of data:
    Reply from 14.215.177.39: bytes=32 time=10ms TTL=54
    Reply from 14.215.177.39: bytes=32 time=10ms TTL=54
    Reply from 14.215.177.39: bytes=32 time=10ms TTL=54
    Reply from 14.215.177.39: bytes=32 time=16ms TTL=54

    Ping statistics for 14.215.177.39:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
    Approximate round trip times in milli-seconds:
    Minimum = 10ms, Maximum = 16ms, Average = 11ms

    C:\>

    ping www.baidu.com 其TTL值是54 ，64-54=10 ，所以我的这个电脑访问百度经过了10个路由器

    可以用tracert来验证其是不是经过10个路由器，从以下结果可以知道是经过10路由器，但是不包含最后一个路由器的。
    C:\>tracert www.baidu.com

    Tracing route to www.a.shifen.com [14.215.177.39]
    over a maximum of 30 hops:

    1 2 ms 1 ms 9 ms 192.168.0.1
    2 7 ms 3 ms 1 ms 192.168.1.1
    3 6 ms 9 ms 11 ms 100.64.0.1
    4 7 ms 4 ms 7 ms 113.106.42.53
    5 9 ms 5 ms 7 ms 17.107.38.59.broad.fs.gd.dynamic.163data.com.cn [59.38.107.17]
    6 20 ms 4 ms 16 ms 202.105.158.73
    7 13 ms 14 ms 26 ms 113.96.4.66
    8 Request timed out.
    9 10 ms 8 ms 20 ms 14.29.121.202
    10     Request timed out.
    11 23 ms 7 ms 8 ms 14.215.177.39

    Trace complete.

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