THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
In CloudStack today in advanced zone, a IP Address Range or a CIDR is assigned to a network when the network is defined. CloudStack VR uses the complete IP Range for assigning IP Addresses to the Guest VMs. In some cases, customers would have non-CloudStack controlled VMs or Physical Server on the same Network. These non-CloudStack VMs or Physical Server would need to share the same IP Address range that is being provided to the Guest VMs.
Following upgrade scenarios should be supported: