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 1 Attachments

**Table 1** Attachments
Attachment Type	Network Instance	Create Attachment	View Attachment	Delete Attachment
VPC attachment	VPC	Creating a VPC Attachment	Viewing an Attachment	Deleting a VPC Attachment
Virtual gateway attachment	Virtual gateway of Direct Connect	Creating a Virtual Gateway Attachment	Viewing an Attachment	Deleting a Virtual Gateway Attachment
VPN gateway attachment	VPN gateway	Creating a VPN Gateway Attachment	Viewing an Attachment	Deleting a VPN Gateway Attachment
Peering connection attachment	Enterprise routers in other regions. You can add enterprise routers from different regions to a central network as attachments. Each connection between enterprise routers is a peering connection attachment.	Creating a Peering Connection Attachment	Viewing an Attachment	Deleting a Peering Connection Attachment
Global DC gateway attachment	Global DC gateway in Direct Connect	Creating a Global DC Gateway Attachment	Viewing an Attachment	Deleting a Global DC Gateway Attachment
CFW instance attachment	VPC border firewall	Adding CFW Instance Attachments to an Enterprise Router	Viewing an Attachment	You cannot directly delete a CFW instance attachment. If you do not want to use it anymore, unsubscribe from CFW. The CFW instance attachment will be deleted.