Cacti Beginner's Guide(Second Edition)
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Time for action - adding interface graphs to a device

The following steps will show you how to select and add graphs for different interface ports:

  1. Go back to the device overview page by clicking on the Devices link under the Management menu.
  2. Click on the device you have just created or create any other SNMP capable device that has network interfaces.
  3. Configure the device to use SNMP and click the Save or Create button:
  1. Make sure that, at the top of the page, something identical to the following image shows up. This will show that the device is SNMP capable:
  1. In the Associated Data Queries section, select the SNMP - Interface Statistics from the drop-down list and click the Add button. If it is already showing up like in the screenshot, then skip this step:
  1. Click on the Save button at the bottom of the page.
  2. Go to the top of the page and click on the link Create Graphs for this Host.
  3. On the new page, select the interfaces you want to monitor and select a graph type from the drop-down list.
  1. Click the Create button:

You have now successfully added the SNMP - Interface data query to the device and selected some interfaces from the interfaces list.

The SNMP - Interface data query is a special package, containing the graph definitions and a kind of blueprint for Cacti to poll information for the interfaces of a device.