ping 命令,发现网络存在丢包或时延较高的情况。

yum install mtr
sudo apt-get install mtr
mtr 119.28.98.39 --report
[root@VM_103_80_centos ~]# mtr 119.28.98.39 --reportStart: Mon Feb 5 11:33:34 2019HOST:VM_103_80_centos Loss% Snt Last Avg Best Wrst StDev1.|-- 100.119.162.130 0.0% 10 6.5 8.4 4.6 13.7 2.92.|-- 100.119.170.58 0.0% 10 0.8 8.4 0.6 1.1 0.03.|-- 10.200.135.213 0.0% 10 0.4 8.4 0.4 2.5 0.64.|-- 10.200.16.173 0.0% 10 1.6 8.4 1.4 1.6 0.05.|-- 14.18.199.58 0.0% 10 1.0 8.4 1.0 4.1 0.96.|-- 14.18.199.25 0.0% 10 4.1 8.4 3.3 10.2 1.97.|-- 113.96.7.214 0.0% 10 5.8 8.4 3.1 10.1 2.18.|-- 113.96.0.106 0.0% 10 3.9 8.4 3.9 11.0 2.59.|-- 202.97.90.206 30.0% 10 2.4 8.4 2.4 2.5 0.010.|-- 202.97.94.77 0.0% 10 3.5 4.6 3.5 7.0 1.211.|-- 202.97.51.142 0.0% 10 164.7 8.4 161.3 165.3 1.212.|-- 202.97.49.106 0.0% 10 162.3 8.4 161.7 167.8 2.013.|-- ix-xe-10-2-6-0.tcore2.LVW 10.0% 10 168.4 8.4 161.5 168.9 2.314.|-- 180.87.15.25 10.0% 10 348.1 8.4 347.7 350.2 0.715.|-- 180.87.96.21 0.0% 10 345.0 8.4 343.4 345.0 0.316.|-- 180.87.96.142 0.0% 10 187.4 8.4 187.3 187.6 0.017.|-- ??? 100.0% 10 0.0 8.4 0.0 0.0 0.018.|-- 100.78.119.231 0.0% 10 187.7 8.4 187.3 194.0 2.519.|-- 119.28.98.39 0.0% 10 186.5 8.4 186.4 186.5 0.0
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