Amazon VPC Operations

Internal

• Amazon VPC

VPC Operations

Describe VPC

aws ec2 describe-vpcs --vpc-id <vpc-id>

Create a VPC with Amazon Console

VPC Console -> Your VPCs -> Create VPC:

Name tag: the name of the VPC

IPv4 CIDR block: 10.7.0.0/16

IPv6 CIDR block: No IPv6 CIDR Block

Tenancy: default

Create a VPC with CloudFormation

AWS::EC2::VPC

Resources:
  VPC:
    Type: AWS::EC2::VPC
    Properties: 
      CidrBlock: !Ref PrimaryIPAddressRange
      EnableDnsSupport: true
      EnableDnsHostnames: false
      InstanceTenancy: "default"
      Tags:
        - Key: "Name"
          Value: !Ref VPCName

Internet Gateway Operations

Describe an Internet Gateway

aws ec2 describe-internet-gateways [--internet-gateway-ids igw-0f8b5a9295a707d16]

Create an Internet Gateway

AWS::EC2::InternetGateway

AWS::EC2::VPCGatewayAttachment

Resources:

  InternetGateway:
    Type: AWS::EC2::InternetGateway
    Properties: 
      Tags:
        - Key: Name
          Value: infinity-igw

   InternetGatewayVpcAttachment:
     Type: AWS::EC2::VPCGatewayAttachment
     Properties: 
         InternetGatewayId: !Ref InternetGateway
         VpcId: !Ref VPC

Note that an internet gateway is not attached with an VPC after creation, an AWS::EC2::VPCGatewayAttachment resource must be created to attach the internet gateway to a VPC.

Create a NAT Gateway

• Create a NAT Gateway with Amazon Console