AWS::EC2::SubnetRouteTableAssociationEC2 SubnetRouteTableAssociation
Associates a subnet with a route table. The subnet and route table must be in the same VPC. This association causes traffic originating from the subnet to be routed according to the routes in the route table. A route table can be associated with multiple subnets. To create a route table, see [AWS::EC2::RouteTable](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-ec2-routetable.html).
Properties
2 configurable properties. 2 required. Click a row to see details.
| Property | Type | Flags |
|---|---|---|
RouteTableId | string | RequiredCreate-only |
SubnetId | string | RequiredCreate-only |
Return Values
Values returned after the resource is created. Access these with Fn::GetAtt.
| Attribute | Type | Description |
|---|---|---|
Id | string | - |
Sample CloudFormation Template
A minimal template with required properties and common optional ones.
AWSTemplateFormatVersion: "2010-09-09"
Description: Sample template for AWS::EC2::SubnetRouteTableAssociation
Resources:
MyResource:
Type: AWS::EC2::SubnetRouteTableAssociation
Properties:
RouteTableId: "my-routetableid"
SubnetId: "my-subnetid"Required IAM Permissions
Permissions CloudFormation needs in your IAM role to manage this resource.
read
ec2:DescribeRouteTablescreate
ec2:AssociateRouteTableec2:ReplaceRouteTableAssociationec2:DescribeSubnetsec2:DescribeRouteTableslist
ec2:DescribeRouteTablesdelete
ec2:DisassociateRouteTableec2:DescribeSubnetsec2:DescribeRouteTablesGet the EC2 Cheat Sheet
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IdSupported Operations
Immutable After Creation
These properties cannot be changed after the resource is created. Updating them triggers a replacement.
SubnetIdRouteTableId