In a similar way as file systems are discovered, it is possible to also discover network interfaces.
The item key to use in the discovery rule is
This item is supported since Zabbix agent 2.0.
You may use the {#IFNAME} macro in the discovery rule filter and prototypes of items, triggers and graphs.
Examples of item prototypes that you might wish to create based on "net.if.discovery":
Note that on Windows {#IFGUID} is also returned.