Network Performance Monitor Administrator Guide : Alert Variables and Examples : Basic Alert Engine Suppression Examples : Dependent Node Alert Suppression Example

Dependent Node Alert Suppression Example
Suppose you have configured an alert notifying you when nodes on a subnet go down. In this case, the workstations are on a segment of your network on the other side of a particular router. You only want to be alerted to node failures if the router is still operational.
Note: For this example, the router should not be included in the group of monitored objects, since its failure is the trigger for suppressing the alert. To be notified of router failure, you must set up another alert.
To configure a dependant node alert suppression:
1. Click Start > All Programs > SolarWinds Orion > System Manager.
2. Click Alerts > Configure Basic Alerts.
3. Click New Alert.
4. Click General, enter a name for your alert, and then check Enable this Alert.
5. Click Property to Monitor.
6. Check Node Status > Status.
Note: Select only one property from those that are available.
7. Click Monitored Network Objects, and then select the workstations that are on the segment of your network that is on the other side of the router.
8. Click Alert Trigger.
9. Check Trigger Alert when Status is > Unknown, Down, and Warning.
10. Check Reset Alert when Status is > Up.
11. Click Alert Suppression, and then select Suppress this alert if ANY of the selected suppressions are active.
Note: The window opens to display a list of current suppressions, if any exist, and buttons that you can use to add, edit, and delete conditions.
12. Click Add.
13. Click Property to Monitor, and then select Node Status > Status.
Note: Select only one property from those that are available.
14. Click Network Object.
15. Select the router that stands between Orion NPM and the subnet for which you have configured the node down alert.
Note: The type of objects available for monitoring depends upon the choice that you made in the Properties to Monitor tab. If you had chosen to monitor an interface-related property, you would see a list of available interfaces. Since you’ve chosen a node-related property, you will see a list of nodes.
16. Click Suppression Trigger.
17. Check Down, Warning, and Unknown on the tab, and then click OK.
Note: For status conditions, you may specify more than one condition.
18. Check the suppressions that you want to apply in order to enable them.
Note: By default, suppressions are not turned on.
19. If you want to add more conditions, repeat this procedure, by clicking Add to begin again.

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