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Hi, thank you for the information. I'm able to communicate with my created instances now. The br-ex interface was down while i knew that my openstack configuration was OK. This gave me quite a headache but i'm glad that I found it in the end. The interface was shut down on a reboot or so. So, if you come accross the same problem please check your br-ex interface with ifconfig or ip a.

Hi, thank you for the information. I'm able to communicate with my created instances now. The br-ex interface was down while i knew that my openstack configuration was OK. This gave me quite a headache but i'm glad that I found it in the end. The interface was shut down on a reboot or so. So, if you come accross the same problem please check your br-ex interface with ifconfig or ip a.

Note: I am able to ping from the OpenStack server to the instance. I can't ping the instance from any other server in my public network (192.168.0.0/24)