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Adding Device

You have two options for adding a new device into LibreNMS. You can add a device via the cli or by using the WebUI.

Via WebUI

Using the web interface, go to Devices and click Add Device. Enter the details required for the device that you want to add and then click 'Add Host'. As an example, if your device is configured to use the community my_company using snmp v2c then you would enter: SNMP Port defaults to 161.

By default Hostname will be used for polling data. If you want to get polling Device data via a specific IP-Address (e.g. Management IP) fill out the optional field Overwrite IP with it's IP-Address.

Add device


Using the command line via ssh you can add a new device by changing to the directory of your LibreNMS install and typing (be sure to put the correct details).

./lnms device:add yourhostname [--v1|--v2c] [-c yourSNMPcommunity]

You can use ./lnms device:add --help for a list of available options and defaults.

As an example, if your device with the name is configured to use the community my_company using snmp v2c then you would enter:

./lnms device:add --v2c -c my_company

Please note that if the community contains special characters such as $ then you will need to wrap it in '. I.e: 'Pa$$w0rd'.

Ping Only Device

You can add ping only devices into LibreNMS through the WebUI or CLI. When adding the device switch the SNMP button to "off". Device will be added into LibreNMS as Ping Only Device and will show ICMP Response Graph.

  • Hostname: IP address or DNS name.
  • Hardware: Optional you can type in whatever you like.
  • OS: Optional this will add the Device's OS Icon.

Via CLI this is done with ./lnms device:add [-P|--ping-only] yourhostname

Ping Only

A How-to video can be found here: How to add ping only devices

Automatic Discovery and API

If you would like to add devices automatically then you will probably want to read the Auto-discovery Setup guide.

You may also want to add devices programmatically, if so, take a look at our API documentation