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# Network interfaces


<img src="https://netdata.cloud/img/network-wired.svg" width="150"/>


Plugin: proc.plugin
Module: /proc/net/dev

<img src="https://img.shields.io/badge/maintained%20by-Netdata-%2300ab44" />

## Overview

Monitor network interface metrics about bandwidth, state, errors and more.



This collector is supported on all platforms.

This collector supports collecting metrics from multiple instances of this integration, including remote instances.


### Default Behavior

#### Auto-Detection

This integration doesn't support auto-detection.

#### Limits

The default configuration for this integration does not impose any limits on data collection.

#### Performance Impact

The default configuration for this integration is not expected to impose a significant performance impact on the system.


## Metrics

Metrics grouped by *scope*.

The scope defines the instance that the metric belongs to. An instance is uniquely identified by a set of labels.



### Per Network interfaces instance



This scope has no labels.

Metrics:

| Metric | Dimensions | Unit |
|:------|:----------|:----|
| system.net | received, sent | kilobits/s |

### Per network device



Labels:

| Label      | Description     |
|:-----------|:----------------|
| interface_type | TBD |
| device | TBD |

Metrics:

| Metric | Dimensions | Unit |
|:------|:----------|:----|
| net.net | received, sent | kilobits/s |
| net.speed | speed | kilobits/s |
| net.duplex | full, half, unknown | state |
| net.operstate | up, down, notpresent, lowerlayerdown, testing, dormant, unknown | state |
| net.carrier | up, down | state |
| net.mtu | mtu | octets |
| net.packets | received, sent, multicast | packets/s |
| net.errors | inbound, outbound | errors/s |
| net.drops | inbound, outbound | drops/s |
| net.fifo | receive, transmit | errors |
| net.compressed | received, sent | packets/s |
| net.events | frames, collisions, carrier | events/s |



## Alerts


The following alerts are available:

| Alert name  | On metric | Description |
|:------------|:----------|:------------|
| [ interface_speed ](https://github.com/netdata/netdata/blob/master/health/health.d/net.conf) | net.net | network interface ${label:device} current speed |
| [ 1m_received_traffic_overflow ](https://github.com/netdata/netdata/blob/master/health/health.d/net.conf) | net.net | average inbound utilization for the network interface ${label:device} over the last minute |
| [ 1m_sent_traffic_overflow ](https://github.com/netdata/netdata/blob/master/health/health.d/net.conf) | net.net | average outbound utilization for the network interface ${label:device} over the last minute |
| [ inbound_packets_dropped_ratio ](https://github.com/netdata/netdata/blob/master/health/health.d/net.conf) | net.drops | ratio of inbound dropped packets for the network interface ${label:device} over the last 10 minutes |
| [ outbound_packets_dropped_ratio ](https://github.com/netdata/netdata/blob/master/health/health.d/net.conf) | net.drops | ratio of outbound dropped packets for the network interface ${label:device} over the last 10 minutes |
| [ wifi_inbound_packets_dropped_ratio ](https://github.com/netdata/netdata/blob/master/health/health.d/net.conf) | net.drops | ratio of inbound dropped packets for the network interface ${label:device} over the last 10 minutes |
| [ wifi_outbound_packets_dropped_ratio ](https://github.com/netdata/netdata/blob/master/health/health.d/net.conf) | net.drops | ratio of outbound dropped packets for the network interface ${label:device} over the last 10 minutes |
| [ 1m_received_packets_rate ](https://github.com/netdata/netdata/blob/master/health/health.d/net.conf) | net.packets | average number of packets received by the network interface ${label:device} over the last minute |
| [ 10s_received_packets_storm ](https://github.com/netdata/netdata/blob/master/health/health.d/net.conf) | net.packets | ratio of average number of received packets for the network interface ${label:device} over the last 10 seconds, compared to the rate over the last minute |
| [ 10min_fifo_errors ](https://github.com/netdata/netdata/blob/master/health/health.d/net.conf) | net.fifo | number of FIFO errors for the network interface ${label:device} in the last 10 minutes |


## Setup

### Prerequisites

No action required.

### Configuration

#### File

There is no configuration file.
#### Options



There are no configuration options.

#### Examples
There are no configuration examples.


