iLO5 (only SNMP) registration

Troubleshooting
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1

CMK version: Checkmk 2.3.0p20.cre
OS version: Ubuntu 24.04.1 LTS

Hello, I’m a beginner and I’m just starting to test Checkmk to implement it.

I want to monitor hardware information on HPE iLO5 through Checkmk. I set the same Community String via SNMPv1. However, when I register one iLO5 and click “Save & run service discovery,” the service is discovered. But after that, it shows as PEND and is unable to retrieve values.

So, to check if there is an issue with SNMP, I used the snmpwalk -v1 -c [sitename] [iLO IP] command to see if I get a response, and there was no problem.
Is there a way to fix this?

2

Hi Cirmi,

i would recommend to use the redfish plugin for magament board monitoring.
SNMP is slower and less reliable than the Redfish API.
Since 2.3 this is part of checkmk, but it needs to be enabled.

  • Create a Read Only User Account on the ilo board
  • Enable the redfish mkp package on the cli
  • Configure the Host and Set the Agent type to special agent and disable SNMP
  • Configure the redfish rule in checkms setup
  • Discover the ILO Board
3

slower not necessarily :slight_smile: but less reliable
What costs time on Redfish is the session handling and HTTPS authentication.
As it is a REST APi.

4

Who knows this better than you :slight_smile:

5

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