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* clean 1-Minute-Polling.md formatting * cleanup formatting for Adding-a-Device.md * clean up formatting of Cleanup-options.md * cleanup formatting some for CLI-Tools.md * cleanup formatting for Syslog.md and Configuration.md * cleanup formatting for Device-Sensors.md * cleanup formatting for Device-Troubleshooting.md * cleanup Discovery Support.md * cleanup Environment-Variables.md * cleanup Example-Hardware-Setup.md and FAQ.mg * update Features.md, Install Validation.md, Perfermance.md, Poller Support.md, and index.md * cleanup Remote-Monitoring-VPN.md, SNMP-Configuration-Examples.md, and SSL-Configuration.md * lots of updates for Installation docs * more installation doc cleanup * more formatting cleanup * clean Work-Map.md up some
69 lines
2.3 KiB
Markdown
69 lines
2.3 KiB
Markdown
source: Support/Device-Sensors.md
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path: blob/master/doc/
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# Device Sensors
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LibreNMS has a standard for device sensors they are split into
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categories. This doc is to help users understand device sensors in
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general, if you need help with developing sensors for a device please
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see the Contributing + Developing section.
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## Health Sensors
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The High and Low values of these sensors can be edited in Web UI by
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going to the device settings -> Health. There you can set your own
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custom High and Low values. List of these sensors can be found here
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[Link](../Developing/os/Health-Information.md)
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**Note** Some values are defined by the manufactures and others are
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auto calculated when you add the device into librenms. Keep in mind
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every environment is different and may require user input.
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## Wireless Sensors
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Some Wireless have High and Low values of these sensors can be edited
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in Web UI by going to the device settings -> Wireless Sensors There
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you can set your own custom High and Low values. List of these sensors
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can be found here [Link](../Developing/os/Wireless-Sensors.md)
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**Note** Some values are defined by the manufactures and others are
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auto calculated when you add the device into librenms. Keep in mind
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every environment is different and may require user input.
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## State Sensors
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Return states of device entries sensors states. For example.
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Drive Status, Memory Status, Power Supply Status.
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```
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0 = OK
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1 = Warning
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2 = Critical
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3 = Unknown
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```
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## Alerting Sensors
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These alert rules can be found inside the Alert Rules Collection. The
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alert rules below are the default alert rules, there are more
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device-specific alert rules in the alerts collection.
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**Sensor Over Limit Alert Rule:** Will alert on any sensor value that
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is over the limit.
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**Sensor Under Limit Alert Rule:** Will alert on any sensor value that
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is under the limit.
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**Remember** you can set these limits inside device settings in the Web UI.
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**State Sensor Critical:** Will alert on any state that returns critical = 2
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**State Sensor Warning:** Will alert on any state that returns warning = 1
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**Wireless Sensor Over Limit Alert Rule:** Will Alert on sensors that
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listed in device settings under Wireless.
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**Wireless Sensor Under Limit Alert Rule:** Will Alert on sensors that
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listed in device settings under Wireless.
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