By default, some dashboards contain data views that lack data. A message states, "No Data to Display".
A data view can be empty because of a configuration or connectivity issue. For views that report on technologies such as CBQoS, MPLS, or IP SLA, default views can be empty because the device that is selected for the view or page context is not configured to support that technology.
But in some cases, views are always empty because they lack a data source. Enable View Suppression to hide views when the required data source is not registered, or when a required technology is not configured.
When the 'Suppress Views' option is enabled on the Display Settings page, data views that lack a registered data source are hidden until that data source is registered. When the data source that populates a view is registered, that view is no longer hidden. Similar behavior applies to context tabs and custom menus. As long as a menu or tab has one view that is not suppressed, the custom menu or tab is still displayed.
View Suppression applies to views that are placed on dashboards by default. It does not hide views from administrators when they use the view categories to edit a dashboard.
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