Network Management

A node is showing as down but you can ping the same node successfully from the Orion Server in Orion Platform

A node is showing down, but you can ping it from the Orion server.

First published date

10/17/2018 3:35 PM

Last published date

8/26/2022 1:42 PM

Overview

This article provide a solution for an issue where node is showing down but can be ping from the Orion server.

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Product section

Network Performance Monitor

Cause

This can occur because the fetching method for Status & Response Time is set to SNMP and it is not working.

This can also occur when multiple polling engines are used but the node in question is not accessible from the assigned polling engine.

Resolution

Resolution 1(Recommended) 

Contact your network administrator to address SNMP communication issues between Orion server and the affected node

Resolution 2 

If ICMP is working, change the fetching method for Status & Response Time from SNMP to ICMP in the Orion database

  1. How to obtain a node ID from the Web Console
  2. In your Orion server, open Database Manager
  3. Run the query below(NOTE: Replace @Node_ID_here with the actual node ID)  
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SELECT * FROM [dbo].[Pollers] WHERE NetObject = '@Node_ID_here' AND PollerType LIKE '%Native'
  4. Click Enable table editing and apply the following changes
     - Remove Enabled checkbox under N.Status.SNMP.Native and N.ResponseTime.SNMP.Native
     - Add Enabled checkbox under N.Status.ICMP.Native and N.ResponseTime.ICMP.Native

Resolution 3

Confirm the node can be reached from the assigned polling engine. If not, assign the node to a polling engine that can reach it.