To create a virtual appliance spec to save a configuration:

Privileges: Manage virtual appliance specs

The platform will create the new spec for your tenant. This spec will be the default, but an administrator can change or remove the default.

For more details see GUI Create new spec

When designing a virtual appliance for use in more than one location, please consider the following differences between private and public cloud:

Private cloud datacenters allow multiple disk templates and additional disks. In public cloud, the platform may support only a single disk or use all disks
Public networks in private cloud will be translated to floating IPs in public cloud and vice versa
A range of IP addresses may be reserved by an SDN system or the cloud provider
The number of NICs allowed or required per VM may vary
Firewall and load balancer configurations may differ

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