:original_name: er_01_0019.html

.. _er_01_0019:

Attachment Overview
===================

You can create an attachment to attach a network instance to an enterprise router. The attachment type varies according to the network instance.


.. figure:: /_static/images/en-us_image_0000001427131632.png
   :alt: **Figure 1** Attachments

   **Figure 1** Attachments

.. table:: **Table 1** Attachments

   +----------------------------+-----------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------+---------------------------------------------------------+-----------------------------------------------------------+
   | Attachment Type            | Network Instance                  | Create Attachment                                                                                                                                                      | View Attachment                                         | Delete Attachment                                         |
   +============================+===================================+========================================================================================================================================================================+=========================================================+===========================================================+
   | VPC attachment             | VPC                               | :ref:`Adding VPC Attachments to an Enterprise Router <er_01_0070>`                                                                                                     | :ref:`Viewing Details About an Attachment <er_01_0021>` | :ref:`Deleting a VPC Attachment <er_01_0072>`             |
   +----------------------------+-----------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------+---------------------------------------------------------+-----------------------------------------------------------+
   | Virtual gateway attachment | Virtual gateway of Direct Connect | Add virtual gateway attachments to an enterprise router. To create a virtual gateway, refer to "Establishing Network Connectivity" in the *Direct Connect User Guide*. |                                                         | :ref:`Deleting a Virtual Gateway Attachment <er_01_0073>` |
   +----------------------------+-----------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------+---------------------------------------------------------+-----------------------------------------------------------+
   | VPN gateway attachment     | VPN gateway                       | Add VPN gateway attachments to an enterprise router. To create a VPN gateway, refer to "Creating a VPN Gateway" in the *Virtual Private Network User Guide*.           |                                                         | :ref:`Deleting a VPN Gateway Attachment <er_01_0114>`     |
   +----------------------------+-----------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------+---------------------------------------------------------+-----------------------------------------------------------+