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Contents of the blog include:

• Steps to Create Virtual Private Cloud [VPC] in Amazon Web Service

The following sections demonstrate how to create and configure a VPC for use with AWS Directory Service.

Create a new VPC

This tutorial uses one of the VPC creation wizards to create the following:

• The VPC
• One of the subnets
• An Internet gateway

To create your VPC using the VPC wizard

• Open the Amazon VPC console at console.aws.amazon.com/vpc

• In the navigation pane, click VPC Dashboard. If you do not already have any VPC resources, locate the Your Virtual Private Cloud area of the dashboard and click Get started creating a VPC. Otherwise, click Start VPC Wizard.

• Select VPC service from AWS console

• Welcome console will look as below

• Click on Launch VPC Wizard

• Select “VPC with Public and Private Subnets” and click “Select”

• Provide VPC name, valid CIDR range for Public and Private subnets. Select availability zones for Public and private subnets [as per standards public and private should be in different availability zones]. Provide elastic IP for NAT gateway After keying the details click on “Create VPC

• On click of “OK”, the list will be displayed as below

• After successful creation of VPC, Subnets, Route Tables and Internet Gateway will be created automatically

• Verify Public subnet route configuration is open for Public access. In order to have public access the CIDR must be 0.0.0.0/0 and Target should be Internet Gateway. Each VPC should have only 1 Internet gateway.

• Navigate to “Route tables“ and associate Public subnet -> Public route and Private Subnet -> Private route

Route Table displayed as “Main” must be mapped to Private subnet

• Private route tables route config has NAT gateway configured which helps Private EC2 to access Internet for only outbound traffic

• Enable Auto assign IP for Public subnet in order to allocate public IPs for Instances launched in Public subnet. This IP can be still overridden by providing Elastic IPs.

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