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Pull request (VMware): https://github.com/apache/cloudstack/pull/3732
Pull request (KVM): https://github.com/apache/cloudstack/pull/4040: WIP
This feature does not introduce any new API, however it extends the 'createNetwork' API:
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A new dropdown is added to the networks creation dialog, allowing administratos to selected the PVLAN type along with the secondary VLAN ID
This is currently supported in VMware through dvSwitch and in KVM via OpenFlow rules. It requires OVS > 2.9.2. Since XenServer only supports OVS 2.6, PVLAN is unsupported in XenServer.