AWS SDK Version 3 for .NET
API Reference

AWS services or capabilities described in AWS Documentation may vary by region/location. Click Getting Started with Amazon AWS to see specific differences applicable to the China (Beijing) Region.

Changes the route table associated with a given subnet, internet gateway, or virtual private gateway in a VPC. After the operation completes, the subnet or gateway uses the routes in the new route table. For more information about route tables, see Route tables in the Amazon Virtual Private Cloud User Guide.

You can also use this operation to change which table is the main route table in the VPC. Specify the main route table's association ID and the route table ID of the new main route table.


For .NET Core this operation is only available in asynchronous form. Please refer to ReplaceRouteTableAssociationAsync.

Namespace: Amazon.EC2
Assembly: AWSSDK.EC2.dll
Version: 3.x.y.z


public virtual ReplaceRouteTableAssociationResponse ReplaceRouteTableAssociation(
         ReplaceRouteTableAssociationRequest request


Type: Amazon.EC2.Model.ReplaceRouteTableAssociationRequest

Container for the necessary parameters to execute the ReplaceRouteTableAssociation service method.

Return Value

The response from the ReplaceRouteTableAssociation service method, as returned by EC2.


This example associates the specified route table with the subnet for the specified route table association.

To replace the route table associated with a subnet

var client = new AmazonEC2Client();
var response = client.ReplaceRouteTableAssociation(new ReplaceRouteTableAssociationRequest 
    AssociationId = "rtbassoc-781d0d1a",
    RouteTableId = "rtb-22574640"

string newAssociationId = response.NewAssociationId;


Version Information

.NET Framework:
Supported in: 4.5, 4.0, 3.5

See Also