EC2 Networking

Introduction

This lesson is a brief introduction to EC2 networking.

For now, we just need to know that by default, we operate in the default VPC, which has a separate subnet for each Availability Zone (AZ). The default VPC gives instances access to the internet via an internet gateway (IGW) and the correct settings in the routing table. AWS creates these for us once we start using a region, so we don’t need to worry about creating any of them.

Explore the default VPC

To have an idea how it looks like right now (this should be the defaults AWS created for us), run the following command: