# AWS.Networking.InternetGateway
<a name="node-internet-gateway"></a>

Defines an AWS Internet Gateway Node.

## Syntax
<a name="node-internet-gateway-syntax"></a>

```
tosca.nodes.AWS.Networking.InternetGateway:
  capabilities:
    routing:
      properties:
        dest\$1cidr: String
        ipv6\$1dest\$1cidr: String    
  properties:
    tags: List
    egress\$1only: Boolean
  requirements:
    vpc: String
    route\$1table: String
```

## Capabilities
<a name="node-internet-gateway-capabilities"></a><a name="node_internet_gateway_routing"></a>`routing`

Properties that define the routing connection within the VPC. You must include either the `dest_cidr` or `ipv6_dest_cidr` property.

 `dest_cidr`    
The IPv4 CIDR block used for the destination match. This property is used to create a route in `RouteTable` and its value is used as the `DestinationCidrBlock`.  
Required: No if you included the `ipv6_dest_cidr` property.  
Type: String

 `ipv6_dest_cidr`    
The IPv6 CIDR block used for the destination match.  
Required: No if you included the `dest_cidr` property.  
Type: String

## Properties
<a name="node-internet-gateway-properties"></a>

 `tags`    
The tags to be attached to the resource.  
Required: No  
Type: List

 `egress_only`    
An IPv6-specific property. Indicates if the internet gateway is only for egress communication or not. When `egress_only` is true, you must define the `ipv6_dest_cidr` property.  
Required: No  
Type: Boolean

## Requirements
<a name="node-internet-gateway-requirements"></a>

 `vpc`    
An [AWS.Networking.VPC](node-vpc.md) node.  
Required: Yes  
Type: String

 `route_table`    
An [AWS.Networking.RouteTable](node-route-table.md) node.  
Required: Yes  
Type: String

## Example
<a name="node-internet-gateway-example"></a>

```
Free5GCIGW:
  type: tosca.nodes.AWS.Networking.InternetGateway
  properties:
    egress_only: false
  capabilities:
    routing:
      properties:
        dest_cidr: "0.0.0.0/0"
        ipv6_dest_cidr: "::/0"
  requirements:
    route_table: Free5GCRouteTable
    vpc: Free5GCVPC
Free5GCEGW:
  type: tosca.nodes.AWS.Networking.InternetGateway
  properties:
    egress_only: true
  capabilities:
    routing:
      properties:
        ipv6_dest_cidr: "::/0"
  requirements:
    route_table: Free5GCPrivateRouteTable
    vpc: Free5GCVPC
```