A. The valid cluster-id range is between 0 and 255.
B. Junos OS security devices can belong to more than one cluster if cluster virtualization is enabled.
C. If the cluster-id value is set to 0 on a Junos security device, the device will not participate in the cluster.
D. A reboot is required if the cluster-id or node value is changed.
E. Junos OS security devices can belong to one cluster only.