Internet Gateway and Route Tables

By default subnet follow the main route table till you create custom route table then subnet follow the custom route table

Internet Gateway to route traffic to internet

Requirements for EC2 Instance to Route Public Traffic

Info

  • There should be internet gateway
  • Route table must have entry
  • Instance should have public IP
Dest: 0.0.0.0/0Target: Internet Gateway

Route Table Overview

Internet Gateway

Route Table Configuration

Subnet Association

Route Entry

Complete Setup