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  • How To Customise Interface Speed, Collection, Thresholds and Events Using Node Configuration

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Nodeconf is a very handy capability for operations teams who might not have configuration access to the end node/device.

Table of Contents

What Can I Change using Node Configuration

The Node Configuration is able to customise the following properties of a node.

  • Override the SNMP sysContact field
  • Override the SNMP sysLocation field
  • Foreach interface you can configure/override
    • Interface Description (ifAlias)
    • Interface speed (ifSpeed) and NMIS support asymetric interfaces like ADSL, so you can configure an input speed and and output speed.
    Foreach interface you can enable or disable
    • Collection (collect SNMP data or not)
    • Events (send events or not)
    • Threshold (apply thresholding or not)

Access Node Configuration

You can access node configuration a few ways.

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In NMIS for a while it is accessible while looking at the node.

Configuring a Node

You will not be looking at a screen with many options and two main columns as below, you can start changing the setting you need to,  in the example below, the settings for Contact, Location the Description and Input and Output speeds have been changed for eth0 (shown in red).

The principle here is that the Original value is what the value was before any changes by Node Configuration, and "Replaced by" are the settings you want NMIS to use now.

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Looking down the list of interfaces, I can see that the Loopback is not being collected, and I would like to see that, so I change the interface to Collect true.

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Then I can save all my changes by selecting "Store" and if I am ready for NMIS to start using those changes, I can select "Store and Update Node", then NMIS will put the changes into action.

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Conclusion

NMIS has a highly scalable configuration and policy system to help you control how and what you manage from the network and servers, Node Configuration gives you the ability to override this and collect what you need to collect now.