Automatic allocation of Floating IPs(Public IPs) to the instances in OpenStack Essex


We might sometimes need Floating IPs to come up with the instances automatically. In that case we need to add the following  line to the /etc/nova/nova.conf file.

--auto_assign_floating_ip=true

After adding the line to the file restart nova-network service

$ restart nova-network

After restarting the service try starting an instance to check if it starts with Floating IP

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