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90 changes: 90 additions & 0 deletions content/agent/configuration/configure-nginx-agent-features.md
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---
title: Features configuration
draft: false
weight: 150
toc: true
nd-docs: DOCS-000
nd-content-type: how-to
---

## Overview

This guide describes the F5 NGINX Agent features, and how to enable and disable features using the NGINX Agent configuration file.

## Before you begin

Before you start, make sure that you have:

- [NGINX Agent installed]({{< ref "/agent/installation-upgrade/" >}}) in your system.
- Access to the NGINX Agent configuration file.


## Features

The following table lists the NGINX Agent features:

{{< table "features" >}}
| Feature Name | Description | Default/Non-default |
| ---------------- | ----------------------------------------------------------------------- | ------------------- |
| registration | Registering the NGINX Agent with the management plane. | Default |
| nginx-config-async | Enable the publishing and uploading of NGINX configurations from the management plane. | Default |
| metrics | Enable collecting of NGINX metrics. | Default |
| metrics-throttle | Batch metrics before sending. | Non-default |
| metrics-sender | Reports metrics over the gRPC connection. | Non-default |
| dataplane-status | Report the health of the NGINX Instance. | Default |
| process-watcher | Observe changes to the NGINX process. | Default |
| file-watcher | Observe changes to the NGINX configuration or any changes to files on disk. | Default |
| activity-events | Send NGINX or NGINX Agent related events to the management plane. | Default |
| agent-api | Enable the NGINX Agent REST API. | Default |
{{< /table >}}

## Use cases

### Enable metrics only

1. Access the NGINX instance: Connect using SSH to the VM or server where NGINX Agent is running.

`ssh user@your-nginx-instance`

1. Open the NGINX Agent configuration file in a text editor.

`sudo vim /etc/nginx-agent/nginx-agent.conf`

1. Add the fetures section: Add the following to the end of the configuration file if it doesn't already exist.

```nginx
features:
- metrics
- metrics-throttle
- dataplane-status
```

1. Restart the NGINX Agent service to apply the changes.

`sudo systemctl restart nginx-agent`

Once the steps have been completed, users will be able to view metrics data being sent but will not have the capability to push NGINX configuration changes.

### Enable the publishing of NGINX configurations and disable the collection of metrics

1. Access the NGINX instance: Connect using SSH to the VM or server where NGINX Agent is running.

`ssh user@your-nginx-instance`

1. Open the NGINX Agent configuration file in a text editor.

`sudo vim /etc/nginx-agent/nginx-agent.conf`

1. Add the fetures section: Add the following to the end of the configuration file if it doesn't already exist.

```nginx
features:
- nginx-config-async
- dataplane-status
- file-watcher

1. Restart the NGINX Agent service to apply the changes.

`sudo systemctl restart nginx-agent`

Once the steps have been completed, users will be able to publish NGINX configurations but metrics data will not be collected by the NGINX Agent.