Adding a Subnet to the Virtual Private Cloud (VPC)
You can add Subnets to your VPC. A subnet resides in an Availability zone. When you create a subnet, you can specify the CIDR block.
Perform the following steps to create the subnet for your VPC.
Ensure that you are logged in to AWS and at the AWS Management Console screen.
On the AWS Management Console, click VPC under the Networking section.
The VPC Dashboard screen appears.
Click Subnets under the Virtual Private Cloud section.
The create subnet screen appears listing all available subnets in the right pane.
Click the Create Subnet button.
The Create Subnet dialog box appears.
Specify the following parameters on the Create Subnet dialog box.
- Name tag: The name for the Subnet.
- VPC: The VPC for which you want to create a subnet.
- Availability Zone: The Availability zone where the subnet resides.
- CIDR block: The range of the IP addresses for the VPC in x.x.x.x/y form where x.x.x.x is the IP address and y is the /16 and /28 netmask.
Click the Yes, Create button.
The Subnet is created.