How do you know where an AWS Networking Engineer will be at the next networking event? Just check the next record in the Route Table! Now that I have almost killed the mood with that atrocious joke, allow me to deliver the finishing blow with the presentation my latest AWS networking project. This project was…
AWS Project: access an S3 bucket from an EC2 instance in a private subnet using a VPC Gateway Endpoint. The EC2 instance does not use the public internet to access the bucket, but instead uses the AWS backbone network. This means that traffic from the EC2 instance in the private subnet to the S3 bucket…
Another AWS networking project for your amusement. Connecting two EC2 instances that are located in different regions WITHOUT using the public internet. VPC peering is used to connect to EC2-B-private from EC2-A-private. VPC peering uses the AWS backbone network so traffic does not traverse the public internet; both EC2 instances have private IPs. A route…
AWS Project: VPC with a public subnet containing a NAT gateway. The NAT gateway can be used for outbound traffic to the internet from the EC2 instance in the private subnet. A route table connects the destination 0.0.0.0/0 to the internet gateway for the public subnet. In the public subnet, there is an EC2 instance…
AWS Networking Project: VPC with a public and a private subnet and an internet gateway. A route table connects the destination 0.0.0.0/0 to the internet gateway for the public subnet. In the public subnet, there is an EC2 instance that can be accessed via SSH through the correct security group settings.Using the EC2 instance in…
How do resources in different subnets within the same VPC communicate with each other? Route tables to the rescue. EC2 A in subnet A (CIDR 10.0.0.0/24) and EC2 B in subnet B (CIDR 10.0.1.0/24) are both in the same VPC. They can communicate with each other because the main route table contains a route with…
Classless Inter-Domain Routing is a way to allocate IP addresses within a network. Every machine that is connected to the internet has a unique number, called an IP address. With CIDR you can create a range of private IP addresses for a VPC. These IP addresses are allocated to resources that you deploy within your…
Some time ago I shared that I would try to broaden my knowledge in the networking department. True to my word, I finished my first networking project: deploying an EC2 instance (a sort of virtual machine) in a public subnet within an Amazon Virtual Private Cloud (VPC). A VPC is like a cloud network environment…