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Elastic Load Balancing
API Reference (API Version 2015-12-01)

SetSubnets

Enables the Availability Zone for the specified public subnets for the specified Application Load Balancer. The specified subnets replace the previously enabled subnets.

Note that you can't change the subnets for a Network Load Balancer.

Request Parameters

For information about the parameters that are common to all actions, see Common Parameters.

LoadBalancerArn

The Amazon Resource Name (ARN) of the load balancer.

Type: String

Required: Yes

SubnetMappings.member.N

The IDs of the public subnets. You must specify subnets from at least two Availability Zones. You can specify only one subnet per Availability Zone. You must specify either subnets or subnet mappings.

You cannot specify Elastic IP addresses for your subnets.

Type: Array of SubnetMapping objects

Required: No

Subnets.member.N

The IDs of the public subnets. You must specify subnets from at least two Availability Zones. You can specify only one subnet per Availability Zone. You must specify either subnets or subnet mappings.

Type: Array of strings

Required: Yes

Response Elements

The following element is returned by the service.

AvailabilityZones.member.N

Information about the subnet and Availability Zone.

Type: Array of AvailabilityZone objects

Errors

For information about the errors that are common to all actions, see Common Errors.

AllocationIdNotFound

The specified allocation ID does not exist.

HTTP Status Code: 400

AvailabilityZoneNotSupported

The specified Availability Zone is not supported.

HTTP Status Code: 400

InvalidConfigurationRequest

The requested configuration is not valid.

HTTP Status Code: 400

InvalidSubnet

The specified subnet is out of available addresses.

HTTP Status Code: 400

LoadBalancerNotFound

The specified load balancer does not exist.

HTTP Status Code: 400

SubnetNotFound

The specified subnet does not exist.

HTTP Status Code: 400

Example

Enable Availability Zones for a load balancer

This example enables the Availability Zone for the specified subnet for the specified load balancer.

Sample Request

https://elasticloadbalancing.amazonaws.com/?Action=SetSubnets
&LoadBalancerArn=arn:aws:elasticloadbalancing:us-west-2:123456789012:loadbalancer/app/my-load-balancer/50dc6c495c0c9188
&Subnets.member.1=subnet-8360a9e7
&Subnets.member.2=subnet-b7d581c0
&Version=2015-12-01
&AUTHPARAMS

Sample Response

<SetSubnetsResponse xmlns="http://elasticloadbalancing.amazonaws.com/doc/2015-12-01/">
  <SetSubnetsResult> 
    <AvailabilityZones> 
      <member> 
        <SubnetId>subnet-8360a9e7</SubnetId> 
        <ZoneName>us-west-2a</ZoneName> 
      </member> 
      <member> 
        <SubnetId>subnet-b7d581c0</SubnetId> 
        <ZoneName>us-west-2b</ZoneName> 
      </member> 
    </AvailabilityZones> 
  </SetSubnetsResult> 
  <ResponseMetadata> 
    <RequestId>c1a80803-f3ab-11e5-b673-8d4a8a9e6f48</RequestId> 
  </ResponseMetadata> 
</SetSubnetsResponse>

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: