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Home > Success Center > Network Performance Monitor (NPM) > Alert on node when ICMP is OK, but SNMP/WMI is DOWN

Alert on node when ICMP is OK, but SNMP/WMI is DOWN

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Created by Andy Ng, last modified by Rodim Suarez on Mar 10, 2017

Views: 3 Votes: 0 Revisions: 5

Overview

When SNMP/WMI polling stops (when Node is on ICMP/SNMP or ICMP/WMI polling), it generally does not send a notification. The symptom you will notice is that the statistics on the Nodes e.g. CPU, Memory, etc. stop populating. If there are interfaces monitored, they will become unknown. But in some cases, there might not be interfaces available.

Environment

NPM 11.5

Steps

Use the following query:

 

SELECT Nodes.NodeID, Nodes.Caption FROM Nodes WHERE DATEDIFF(s, Nodes.LastSystemUpTimePollUtc,GETUTCDATE())>300 and status =1

 

Explanation:

  • SNMP/WMI polling will populate LastSystemUpTimePollUtc with the last System Up Time each poll.
  • If the time difference (in UTC) is greater than 300s (5 mins), and the Node Status is UP, it will trigger.

Suggested tags : NPM, Alert, SNMP, WMI

 

 

 Reason for Rework or Feedback from Technical Content Review:   

Last modified
20:41, 9 Mar 2017

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