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Network Performance Monitor (NPM)

Forum Building an alert for when a custom property has changed

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Building an alert for when a custom property has changed

hjarriell over 14 years ago

Hello,

We use custom properties to setup alerting threshold. We want to build an alert to trigger when specific custom properties are changed. Have built an alert to trigger when the alert has changed for 0 seconds. But nothing happens when the property is changed. Am I missing something?

0 scottd over 14 years ago

If you are using the 'has changed' condition, it probably will not work.
'has changed' translates into SQL like this in the DB;
(Nodes.Application = Nodes.Application and ((select count(*) from AlertValueChanges where TableName = 'Nodes' and FieldName = 'LastBoot') > 0) and (NodeID in (select NodeID from AlertValueChanges where TableName = 'Nodes' and FieldName = 'LastBoot' and (DateDiff(s, Changed, getdate()) < (60 * 1.2)))) /* Do not remove this comment HAS1101CHANGEDTBL|FLDNodes|LastBootHAS1101CHANGED */)
My condition that generated this is; Application has changed (Application is my custm property)
So it would appear that 'has changed' would be for alerting on a reboot or something similar.
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0 KenKasmar over 14 years ago

From the NPM Manual:

•
To generate a condition based on a comparison of device states, click Add a Simple Condition.
Note: The has changed condition is only valid for the Last Boot, IOS Version, and IOS Image Family device characteristics.
•
To generate a condition based on a comparison of device fields and values, click Add a Complex Condition.
Note: The has changed condition is only valid for the Last Boot, IOS Version, and IOS Image Family device characteristics
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0 hjarriell over 14 years ago in reply to KenKasmar

Thank you, shame cause it would been really useful to be able to do has changed for any property.
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