$ openstack floating ip pool list
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You can see defined floating IPs in your project with the command.

 

$ openstack floating ip create FLOATING_IP_NETWORK_ID

 

This command will complete your project with a public IP from the floating IP Pool.

 

$ openstack floating ip list
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This command will list the instances created in your project, network information of these instances and floating IPs defined on them.

 

$ openstack server add floating ip INSTANCE_ID FLOATING_IP_ADDRESS

 

When you detect the ID of an instance that is created before to INSTANCE_ID value and an IP address to FLOATING_IP_ADDRESS value, a floating IP will be assigned to the instance.

 

Example: nova floating-ip-associate b254c6ee-2832-47d3-b505-e340d14731b5 213.14.226.68

 

$ openstack server remove floating ip INSTANCE_NAME_OR_ID FLOATING_IP_ADDRESS
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With this command, you can separate an assigned floating IP from the instance.

 

$ openstack floating ip delete FLOATING_IP_ADDRESS
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The command will free the floating IP that defined in your project.