Internet Gateway

at VPC level, provide IPv4 & IPv6 Internet access

Overview

IGW is a door that allows public traffic from the Internet to access your VPC. You attach an IGW to the VPC.

Flow: Make VPC connect to Internet

To make your Public subnet connect to the Internet

1. Attach IGW-id (Internet Gateway) to the Public subnet.

2. Add route table record, that points to igw-id. Ex: 0.0.0.0 --> igw-id