DCI Errors
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What kind of DCIs are those problematic DCIs? If they are defined as ExternalParameter in agent, the problem may be due to command execution timeout. By default, both server and agent has quite small timeout for data collection (2 seconds) to prevent situation when one long-running external parameter delays collection of other DCIs. You can increase it if needed however. There are short description of relevant configuration parameters: https://www.netxms.org/forum/general-support/external-parameter-help/msg10080/#msg10080.
Best regards,
Victor -
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It could be timeouts or packet drops. I also encounter devices that was not able to respond to multiple consecutive SNMP requests. Can you try to capture SNMP traffic between server and device to see what actually transmitted when errors pops up?
Best regards,
Victor -
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What SNMP version you are using? I have a bad experience with ProCurve and SNMP v3 - we had to fall back to v2c in one installation because of intermittent problems with polling and data collection using v3.
Best regards,
Victor -
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