From the course: VPC Networking on AWS: Configuration, Security, and Connectivity

Unlock this course with a free trial

Join today to access over 24,900 courses taught by industry experts.

Subnets and route table associations

Subnets and route table associations - Amazon Web Services (AWS) Tutorial

From the course: VPC Networking on AWS: Configuration, Security, and Connectivity

Start my 1-month free trial Buy for my team

Subnets and route table associations

“

- [Instructor] This lesson is going to look at the subnet and route table association. That happens when you create a VPC and when you then create a subnet. Where's the route table come in? Is there any automation going on? What are the key concepts of a subnet? Is it is merely a range of IP addresses contiguous within a VPC? Those IP addresses are assigned to select EC2 instances. The addresses are not necessarily all ever used. They're just available based on that slash notation that you've chosen. Now, depending on the route table attached to the subnet itself, the subnet will be deemed public because there's that public path. I've probably said that too many times, but there you go. Or private, I've got a connection from a VPN connection. Or I'm really private, I have no private connection at all other than communication within my private subnet. The route table does the work. It's a set of rules, set of routes. There's entries that are written in that dictate sourced to…

Contents