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# 2 Discovery of network interfaces

In a similar way as [file
systems](/manual/discovery/low_level_discovery#configuring_low-level_discovery)
are discovered, it is possible to also discover network interfaces.

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#### Item key

De item-sleutel die moet worden gebruikt in de [ontdekkingsregel](/manual/discovery/low_level_discovery#discovery_rule) is

    net.if.discovery

Deze item-sleutel wordt ondersteund sinds Zabbix-agent 2.0.

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#### Supported macros

Je kunt de {\#IFNAME} macro gebruiken in de [filter](/manual/discovery/low_level_discovery#filter) van de ontdekkingsregel en in de prototypes van items, triggers en grafieken.

Voorbeelden van itemprototypes die je mogelijk wilt maken op basis van "net.if.discovery":

-   "net.if.in\[{\#IFNAME},bytes\]",
-   "net.if.out\[{\#IFNAME},bytes\]".

Merk op dat op Windows ook {\#IFGUID} wordt geretourneerd.

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