AWS SDK Version 3 for .NET
API Reference

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Adds one or more subnets to the set of configured subnets for the specified load balancer.

The load balancer evenly distributes requests across all registered subnets. For more information, see Add or Remove Subnets for Your Load Balancer in a VPC in the Classic Load Balancer Guide.


For .NET Core and PCL this operation is only available in asynchronous form. Please refer to AttachLoadBalancerToSubnetsAsync.

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


public virtual AttachLoadBalancerToSubnetsResponse AttachLoadBalancerToSubnets(
         AttachLoadBalancerToSubnetsRequest request
Type: Amazon.ElasticLoadBalancing.Model.AttachLoadBalancerToSubnetsRequest

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

Return Value
The response from the AttachLoadBalancerToSubnets service method, as returned by ElasticLoadBalancing.


AccessPointNotFoundException The specified load balancer does not exist.
InvalidConfigurationRequestException The requested configuration change is not valid.
InvalidSubnetException The specified VPC has no associated Internet gateway.
SubnetNotFoundException One or more of the specified subnets do not exist.


This example adds the specified subnet to the set of configured subnets for the specified load balancer.

To attach subnets to a load balancer

var response = client.AttachLoadBalancerToSubnets(new AttachLoadBalancerToSubnetsRequest 
    LoadBalancerName = "my-load-balancer",
    Subnets = new List {

List subnets = response.Subnets;


Version Information

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

Portable Class Library:
Supported in: Windows Store Apps
Supported in: Windows Phone 8.1
Supported in: Xamarin Android
Supported in: Xamarin iOS (Unified)
Supported in: Xamarin.Forms

See Also