# NetBox Config Templates Tip: Query Objects Efficiently with .filter()

DevFeed: [NetBox Config Templates Tip: Query Objects Efficiently with .filter()](<https://devfeed.tech/articles/netbox-config-templates-tip-query-objects-efficiently-with-filter-30858.md>)

Original publisher: [Read original article](<https://www.packetcoders.io/netbox-config-templates-tip-query-objects-efficiently-with-filter/>)

Author: Rick Donato

Published: 2026-03-10T08:00:07Z

Content type: tutorial

Language: en

Sources: [Packet Coders - Learn Network Automation](<https://devfeed.tech/sources/packet-coders-learn-network-automation.md>)

Topics: [NetBox](<https://devfeed.tech/topics/netbox.md>), [Django](<https://devfeed.tech/topics/django.md>), [Object-relational mapping](<https://devfeed.tech/topics/orm.md>)

Tags: [config](<https://devfeed.tech/tags/config.md>), [django](<https://devfeed.tech/tags/django.md>), [filter](<https://devfeed.tech/tags/filter.md>), [interface](<https://devfeed.tech/tags/interface.md>), [interfaces](<https://devfeed.tech/tags/interfaces.md>), [netbox](<https://devfeed.tech/tags/netbox.md>), [orm](<https://devfeed.tech/tags/orm.md>), [query](<https://devfeed.tech/tags/query.md>), [templates](<https://devfeed.tech/tags/templates.md>), [tips](<https://devfeed.tech/tags/tips.md>)

## AI overview

A short tutorial showing how to use .filter() in NetBox Config Templates to query objects during lookups and conditional logic through the Django ORM QuerySet interface.

## Source excerpt

Use .filter() in Config Templates to query objects during lookups and conditional logic. This exposes the Django ORM QuerySet filter directly in your templates. Here's an example: {% for iface in device.interfaces.filter(enabled=True, name__startswith="ge-") %} interface {{ iface.name }} {% endfor %}