运维开发网

网络 – traceroute的输出是什么意思?

运维开发网 https://www.qedev.com 2020-03-05 08:17 出处:网络 作者:运维开发网整理
1 <1 ms <1 ms 3 ms 192.168.0.1 2 75 ms 71 ms 73 ms reserve.cableplus.com.cn [218.242.223.209] 3 61 ms 133 ms 140 ms 211.154.70.10 什么是75 ms 71 ms 73 ms意味着什么? 从 man page
1    <1 ms    <1 ms     3 ms  192.168.0.1
  2    75 ms    71 ms    73 ms  reserve.cableplus.com.cn [218.242.223.209]
  3    61 ms   133 ms   140 ms  211.154.70.10

什么是75 ms 71 ms 73 ms意味着什么?

从 man page of traceroute:

This program attempts to trace the

route an IP packet

would follow to some internet host by launching UDP probe

packets with a small ttl (time to live) then listening for

an ICMP “time exceeded” reply from a gateway. We start

our probes with a ttl of one and increase by one until we

get an ICMP “port unreachable” (which means we got to

“host”) or hit a max (which defaults to 30 hops & can be

changed with the -m flag). Three probes (change with -q

flag) are sent at each ttl setting and a line is printed

showing the ttl, address of the gateway and round trip

time of each probe.

因此,75 ms 71 ms 73 ms代表每个不同探头所用的往返时间.

0

精彩评论

暂无评论...
验证码 换一张
取 消