# Flowspec

{% hint style="warning" %}
**🚧Prior to creating a Flowspec plugin, you will need to configure at least 1 device with a unicast BGP neighbor.**
{% endhint %}

## Prerequisites <a href="#prerequisites" id="prerequisites"></a>

Different vendors and products may have their unique documentation and prerequisites for this setup. Below are example links to configure devices with a unicast BGP neighbor:

* [Cisco](https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_bgp/configuration/xe-16/irg-xe-16-book/bgp-dynamic-neighbors.html)
* [Juniper](https://www.juniper.net/documentation/us/en/software/junos/bgp/topics/ref/statement/neighbor-edit-protocols-bgp.html)
* [Arista](https://arista.my.site.com/AristaCommunity/s/article/bgp-peering-configuration-examples-for-service-providers)

## Netography Portal Steps <a href="#netography-portal-steps" id="netography-portal-steps"></a>

In **Settings > Response Integrations**, click **Add Integration**. Select **Flowspec**\`

![](/files/s2yQc6X7QinELKy30Yal)

## Configuration <a href="#configuration" id="configuration"></a>

The following fields are specific to the Flowspec integration.

| Field              | Required | Description                                                                                       | Examples |
| ------------------ | -------- | ------------------------------------------------------------------------------------------------- | -------- |
| `Neighbors`        | yes      | IPv4/v6 unicast BGP neighbors configured in the Netography Portal.                                |          |
| `Local Preference` | yes      | Used to choose the exit path for an autonomous system. Default 100                                | 100      |
| `Factors`          | yes      |                                                                                                   | srcip    |
| `Expiration`       |          | Number of seconds the blocklist will remain active                                                | 3600     |
| `Max`              |          | Limit on number of blocks                                                                         | 1000     |
| `Allow List`       |          | One or many Allow Lists configured in the Netography Portal, or a List of IP or IP/CIDR addresses |          |
| `Aggregate`        |          | Aggregate IP addresses by mask length                                                             |          |


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