Belajar Sendiri

Commands

aws ec2 create-subnet --vpc-id

aws ec2 create-subnet --vpc-id <vpc> --cidr-block <cidr>

Safe

What it does

Adds a row of units (a subnet) inside your VPC.

When to use it

To split the VPC into public and private rows, one per wing.

Example

$ aws ec2 create-subnet --vpc-id vpc-081ec835f3EXAMPLE --cidr-block 10.0.0.0/24

A /24 row: 251 usable addresses, because AWS keeps 5.

$ aws ec2 describe-subnets

List your rows and their free addresses.

Learn it in: Public and private subnets · Official docs