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Threshold Editor

 

Threshold alarms can be used to monitor the network against any number of user defined SLAs or other production and performance requirements. When these SLAs or other requirements are breached, you will be automatically notified by the event server, either through viewing the Event Browser or receiving preconfigured notification emails.

Threshold alarms can be triggered by periodic collections from the Traffic Collection Manager, or the Task Manager tasks “Device SNMP Collection”, “Device Ping Collection,” and “Device SLA Collection.” For each threshold alarm, the DGS server will examine incoming data against all applicable threshold alarm rules. If any data matches a threshold alarm rule, the DGS server will post an event to the event server with the parameters specified in the threshold alarm. In the Threshold Editor, these rules are referred to as production rules.

To open the threshold editor, select Application > Threshold Editorfrom the Java interface (or Live Network > Edit Threshold Alarms from the main menu bar of the web interface).

Figure 1: Threshold Editor
Threshold Editor

When the threshold editor is opened for the first time, the tree in the left panel is collapsed, which hides all production rules. Double click an item or click on the hinge to the left of the item to display the elements beneath it. This hierarchy is comprised of the element type, followed by group/scope, and finally followed by the actual production rules, is displayed in the figures below.