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Nobl9 agent troubleshooting

⛭ Missing data​

When your agent fails to exchange data with a data source, start troubleshooting with checking the following:

  1. Make sure your agent is running—an agent on a desktop stops running and sending data when your machine sleeps.

  2. If the agent is running properly and data is still missing, the reason can be security tools that block connections from unknown sources to protect your data source. Adding Nobl9 IP addresses as allowed for connection can help.

💻ip allowlist
IP addresses to include in your allowlist for secure access:

If you're using app.nobl9.com instance:
  • 18.159.114.21
  • 18.158.132.186
  • 3.64.154.26
If you're using us1.nobl9.com instance:
  • 34.121.54.120
  • 34.123.193.191
  • 34.134.71.10
  • 35.192.105.150
  • 35.225.248.37
  • 35.226.78.175
  • 104.198.44.161

⛭ Query errors​

Nobl9 is designed to accept single metric values back from queries. If you see a query error, check that the query returns a single metric value.

When data is missing for Splunk queries, make sure the number of events doesn't exceed the limits set.

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