Home > Storage > PowerFlex > White Papers > SUSE Rancher and RKE Kubernetes cluster using CSI Driver on DELL EMC PowerFlex > Specifying the Kubernetes cluster attributes
The following attributes must be specified for the Kubernetes cluster:
Note: The use of any port other than 443 or 6443 requires opening the port on PowerProtect Data Manager.
When you add an RKE downstream cluster, the cluster information appears in the table, and automatic discovery of the namespace assets is initiated.