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Amazon Elastic Compute Cloud
API Reference (API Version 2016-11-15)

AssociateSubnetCidrBlock

Associates a CIDR block with your subnet. You can only associate a single IPv6 CIDR block with your subnet. An IPv6 CIDR block must have a prefix length of /64.

Request Parameters

The following parameters are for this specific action. For more information about required and optional parameters that are common to all actions, see Common Query Parameters.

Ipv6CidrBlock

The IPv6 CIDR block for your subnet. The subnet must have a /64 prefix length.

Type: String

Required: Yes

SubnetId

The ID of your subnet.

Type: String

Required: Yes

Response Elements

The following elements are returned by the service.

ipv6CidrBlockAssociation

Information about the IPv6 CIDR block association.

Type: SubnetIpv6CidrBlockAssociation object

requestId

The ID of the request.

Type: String

subnetId

The ID of the subnet.

Type: String

Errors

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

Example

Example

This example associates IPv6 CIDR block 2001:db8:1234:1a00::/64 with subnet subnet-1a2b3c4d.

Sample Request

https://ec2.amazonaws.com/?Action=AssociateSubnetCidrBlock
&SubnetId=subnet-1a2b3c4d
&Ipv6CidrBlock=2001:db8:1234:1a00::/64
&AUTHPARAMS

Sample Response

<AssociateSubnetCidrBlock xmlns="http://ec2.amazonaws.com/doc/2016-11-15/">
   <requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId> 
   <subnetId>vpc-1a2b3c4d</subnetId>
   <ipv6CidrBlockAssociation>
        <ipv6CidrBlock>2001:db8:1234:1a00::/64</ipv6CidrBlock>
        <ipv6CidrBlockState>
            <state>associating</state>
        </ipv6CidrBlockState>
        <associationId>subnet-cidr-assoc-3aa54053</associationId>
   </ipv6CidrBlockAssociation>
</AssociateSubnetCidrBlock>

See Also

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