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Go to Virtual datacenters → Networks → Private
Select the IPs and click the lock button
Enter the reason for the reservation
The platform will list the VMs in the virtual datacenter. Optionally select VMs to indicate where the IPs might be used. Note that you must check that the VMs are able to use these IPs. This selection does not assign the IPs to VMs.
The platform will display a padlock symbol and the reason beside the IP reserved addresses.
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