vxlan prefix must be given to prevent interpretation as vlan (#465)

Co-authored-by: Pearl Dsilva <[email protected]>

Author: DaanHoogland

source/adminguide/networking/multiple_subnets_in_shared_network.rst

@@ -95,6 +95,8 @@ Adding Multiple Subnets to a Shared Network
       defaulted to the vlan of the network or if vlan of the network is
       null - to Untagged
 
+.. note:: If the VNI is of a VXLAN, the protocol prefix `vxlan://` must be used, like in `vxlan://<vni>`
+
 #. Click OK.
 
 

source/installguide/configuration.rst

@@ -637,6 +637,8 @@ Core Zone
 
    -  **VLAN / VNI ID.** The VLAN / VNI ID's that will be used for guest traffic.
 
+.. note:: If the VNI is of a VXLAN, the protocol prefix `vxlan://` must be used, like in `vxlan://<vni>`
+
 #. In a new pod, CloudStack adds the first cluster for you. You can
    always add more clusters later. For an overview of what a cluster is,
    see :ref:`about-clusters`