Does librenms have the ability to add monitoring items, such as zabbix's item

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1

Does librenms have the ability to add monitoring items, such as zabbix’s item

2

Do those devices have snmp?

3

yes，
I mean, I have special monitoring requirements, I need to add items, such as items in zabbix, templates.

4

I have no idea what those templates are.

5

No Zabbix, but you can add Nagios services. Anything specific you are looking to monitor ?