In the Clusters table, hovering over a status icon shows information about what the icon depicts.
The status icon beside the Name column tells you the WAF appliance status.
(Active) Cluster has appliances registered, none are inactive, and cluster protects at least one site.
(Inactive) Cluster has appliances registered, none are inactive, but cluster does not protect any sites.
(No Appliances) Cluster does not have any appliances (proxies), active or inactive, assigned to it.
(Degraded) Cluster has appliances registered, at least one of them is active and one of them is inactive.
(Error) Cluster has appliances registered, but none of them are active.
The deployment status of clusters is displayed in the Deployment Status column. The Last Update column displays the latest date on which the cluster configurations were pushed to the cluster.
Deployment status could be:
Configuration successfully deployed on all appliances in a cluster.
Configuration deployment is in progress on all appliances in a cluster.
Configuration deployment has been requested but not yet started.
Configuration deployment is successful on some appliances but failed on other appliances in a cluster.
Configuration deployment has failed on all appliances in a cluster.
Web application is not deployed on any WAF cluster, or the Web application is deployed on a cluster having no appliances registered to it.