﻿---
title: Packetbeat doesn't see any packets when using mirror ports
description: The interface needs to be set to promiscuous mode. Run the following command: For example: ip link set enp5s0f1 promisc on 
url: https://www.elastic.co/elastic/docs-builder/docs/2407/reference/beats/packetbeat/packetbeat-mirror-ports
---

# Packetbeat doesn't see any packets when using mirror ports
The interface needs to be set to promiscuous mode. Run the following command:
```sh
ip link set <device_name> promisc on
```

For example: `ip link set enp5s0f1 promisc on`