Hello @skak ,
Welcome to Microsoft Q&A Platform. Thank you for reaching out & hope you are doing well.
Looking at the shared image, it looks like the the Azure VM with IP address 172.168.1.9 has connectivity issues. I would advise you to check the below:
NSGs applied on the VM & it's subnet which could be blocking the connectivity.
Any UDRs on the VM's subnet.
VM's OS Firewall blocking traffic. Try allowing ICMP or disabling the Firewall.
Kindly let us know if the above helps or you need further assistance on this issue.
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