In this informative video, Dalier explains why EC2 instances may fail to connect to the internet when using an internet gateway. He walks through common configuration issues and troubleshooting steps to resolve connectivity problems. The demonstration covers key concepts like VPC settings, route tables, and security groups that can impact internet access for EC2 instances. Viewers will learn how to properly configure and verify network settings to enable internet connectivity for their EC2 instances through an internet gateway.

00:31 Introduction
00:56 Chapter 1
03:03 Chapter 2
05:13 Closing