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Manage the Number of Incoming Incidents

NNMi's Causal Engine reduces the number of incidents by extensively evaluating problems and determining the root cause for you, whenever possible.

To help simplify the diagnosis of network faults, you can configure NNMi to manage the number of incidents that are displayed. To do so, use any of the following methods:

  • Disable the Incident configuration. In the Basics group of the SNMP Trap Configuration, Management Event Configuration or Syslog Messages Configuration form, verify that Enabled is cleared for each configuration for which you do not want NNMi to generate an Incident.
  • Use NNMi's Scheduled Outage feature to set the Management Mode of the network object to Out of Service. NNMi discards any incoming traps during the Scheduled Outage. See Scheduling Outages for Nodes or Node Groups for more information.
  • Use NNMi's Management Mode feature to set the Management Mode of the network object to Not Managed or Out of Service. NNMi discards any incoming traps if the trap source is UnmanagedIndicates the Management Mode is "Not Managed" or "Out of Service"..
  • Use the Monitoring Configuration to specify that you do not want NNMi to monitor the network object. NNMi discards most incoming traps if the source object is not monitored. See Configure NNMi Monitoring Behavior for more information.

  • Identify additional criteria for or relationships between incoming incidents. When these criteria or relationships occur, NNMi modifies the flow of incidents by recognizing the criteria or patterns of incoming management events or SNMP traps and nesting related incidents as correlated children.

These strategies can dramatically reduce the number of incidents and improve the value of the incidents displayed. For example, instead of displaying an entire incident storm typically generated by equipment and link failures, use the deduplication configuration to specify only the most meaningful incidents, and correlate the rest as children. Then it is faster and easier to identify the network problem. See Establish Criteria or Relationships for Incoming Incidents for more information.

Related Topics

Configure management events

Configure SNMP Trap Incidents

Configure Syslog Message Incidents (ArcSight)