In public networks you can reserve or purchase public IP addresses for your VMs. Reserved IPs may be charged while they are reserved, even if they are not used in VMs. You can also reserve public IPs directly from the Edit VM dialog.
Privilege: Manage public IPs, Access public networks tab, Manage public network elements
The platform will add the IPs to your VDC
The following screenshot shows two IP addresses selected.
You can also reserve public IPs directly from the Edit VM dialog.
You can release a public IP if it is not assigned to a VM.
To release a public IP that belongs to a public network, select the IP in the IP list and click the Delete button delete button.
In public cloud, click the link to Remove from VDC and then click the Delete delete button.