Public Subnet and Internet Gateway
Explore how to create and configure public subnets and internet gateways within an AWS Virtual Private Cloud. Understand the role of an internet gateway as a bridge to the public internet, and learn how to attach, route traffic through, detach, and delete it. This lesson helps you build foundational skills in AWS VPC networking and routing essential for cloud infrastructure design.
Before we learn how to create public subnets and configure them, it’s essential to understand what an internet gateway is and how it works.
Understanding an internet gateway
The internet gateway is a Virtual Private Cloud (VPC) component that enables resources inside the VPC to access the public internet and be reachable from the internet. It acts as a bridge connecting the VPC to the public internet. In other terms, an internet gateway is a service that aids in making a subnet public. For IPv4 ...