From the course: VPC Networking: Designing a Software Defined Data Center on AWS

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The default VPC

The default VPC - Amazon Web Services (AWS) Tutorial

From the course: VPC Networking: Designing a Software Defined Data Center on AWS

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The default VPC

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- [Instructor] We can create a VPC that's completely custom, but Amazon provides us with a default VPC. But as we're going to learn, a default VPC is really for demos. I like to describe the default VPC as a network in a box. It gives us a /20 CIDR block, which means we can create up to 4,000 nodes per subnet, which are already pre-created in the default VPC. So they've done some of the work for us. But they've also attached an internet gateway to our VPC. And you might not want public access, but the internet gateway has been attached, making it much easier to set up public access to your instances. There's also a route table entry for the internet gateway. And we have default subnets created in every single availability zone in the region where the default VPC has been created. Another way of looking at that concept is that in every availability zone in every region in your AWS account is a default VPC already set up. So instances that you order and place in the default VPC are…

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