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Can I Change the VPC or Subnet that My RDS DB Instance Belongs To? No, you cannot directly change the VPC or subnet on the RDS console. However, you can change the VPC or subnet by restoring a full backup to a new DB instance. For operation details, see Restoring from Backup Files
Figure 2 Flowchart Method 2: Using VPN to Connect VPCs in Different Regions You can use Virtual Private Network (VPN) to enable communication between VPCs across regions. Ensure that the primary and DR instances are in the regions where VPN is available.
You can use Cloud Connect or Virtual Private Network (VPN) to connect the VPCs in different regions. Before using this function, ensure that the primary instance and DR instance are available and are deployed in different regions.
Creating a VPC and Security Group Create a VPC and security group for an RDS for MySQL instance Creating a VPC Go to the Create VPC page. Configure the basic information, subnet, and IP address. Figure 1 Creating a VPC Click Create Now. Return to the VPC list and check whether the
Creating a VPC and Security Group Create a VPC and security group for a DB instance in the production center. Creating a VPC Go to the Create VPC page. On that page, select CN-Hong Kong for Region, and configure the basic information, subnet, and IP address. Figure 1 Creating a VPC
Creating a VPC and Security Group Create a VPC and security group for the DR instance to be configured, ensuring that it is in a different region from the instance created for production center. Creating a VPC Go to the Create VPC page. On that page, select AP-Singapore for Region
VPN uses an encrypted tunnel to connect VPCs in different regions and sends traffic over the Internet. It is inexpensive, easy to configure, and easy to use. However, the quality of VPN connections depends on the quality of your Internet connection.
You can also use Direct Connect or VPN to encrypt data transmission. Parent topic: Network Security
in a VPC and use the VPN to connect to the RDS DB instance.
Ensure that the primary DB instance and DR instance are in the regions where Cloud Connect or Virtual Private Network (VPN) has been rolled out. DR instances do not support point-in-time recovery (PITR) or CBR snapshot-based backups.
If a VPN connection is used, check whether the VPCs are connected as instructed in Method 2: Using VPN to Connect VPCs in Different Regions.
