OK, so we have an Ubuntu VM hosted in Microsoft Azure:
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Welcome to Ubuntu 16.04.4 LTS (GNU/Linux 4.13.0-1018-azure x86_64) * Documentation: https://help.ubuntu.com * Management: https://landscape.canonical.com * Support: https://ubuntu.com/advantage Get cloud support with Ubuntu Advantage Cloud Guest: http://www.ubuntu.com/business/services/cloud 30 packages can be updated. 0 updates are security updates. Last login: Wed May 23 10:35:38 2018 from 86.x.x.x andrei@andrei:~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 16.04.4 LTS Release: 16.04 Codename: xenial andrei@andrei:~$ |
By default, ICMP packets are blocked in Azure.
So here is a workaround: use TCP Ping
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sudo su apt-get install tcptraceroute cd /usr/bin sudo wget http://www.vdberg.org/~richard/tcpping sudo chmod 755 tcpping |
The results look like:
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root@andrei:/home/andrei# tcpping www.mt.lv seq 0: tcp response from mikrotik.com (159.148.147.196) [open] 316.891 ms seq 1: tcp response from mikrotik.com (159.148.147.196) [open] 321.851 ms seq 2: tcp response from mikrotik.com (159.148.147.196) [open] 317.180 ms seq 3: tcp response from mikrotik.com (159.148.147.196) [open] 319.809 ms seq 4: tcp response from mikrotik.com (159.148.147.196) [open] 316.221 ms seq 5: tcp response from mikrotik.com (159.148.147.196) [open] 318.382 ms seq 6: tcp response from mikrotik.com (159.148.147.196) [open] 318.492 ms seq 7: tcp response from mikrotik.com (159.148.147.196) [open] 317.843 ms seq 8: tcp response from mikrotik.com (159.148.147.196) [open] 319.298 ms seq 9: tcp response from mikrotik.com (159.148.147.196) [open] 318.294 ms seq 10: tcp response from mikrotik.com (159.148.147.196) [open] 317.646 ms seq 11: tcp response from mikrotik.com (159.148.147.196) [open] 318.369 ms seq 12: tcp response from mikrotik.com (159.148.147.196) [open] 318.421 ms seq 13: tcp response from mikrotik.com (159.148.147.196) [open] 322.248 ms seq 14: tcp response from mikrotik.com (159.148.147.196) [open] 318.201 ms seq 15: tcp response from mikrotik.com (159.148.147.196) [open] 316.888 ms |
Enjoy !