AWS SDK Version 3 for .NET
API Reference

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Container for the parameters to the AssociateVpcCidrBlock operation. Associates a CIDR block with your VPC. You can associate a secondary IPv4 CIDR block, an Amazon-provided IPv6 CIDR block, or an IPv6 CIDR block from an IPv6 address pool that you provisioned through bring your own IP addresses (BYOIP). The IPv6 CIDR block size is fixed at /56.

You must specify one of the following in the request: an IPv4 CIDR block, an IPv6 pool, or an Amazon-provided IPv6 CIDR block.

For more information about associating CIDR blocks with your VPC and applicable restrictions, see VPC and subnet sizing in the Amazon Virtual Private Cloud User Guide.

Inheritance Hierarchy


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


public class AssociateVpcCidrBlockRequest : AmazonEC2Request

The AssociateVpcCidrBlockRequest type exposes the following members



Public Property AmazonProvidedIpv6CidrBlock System.Boolean

Gets and sets the property AmazonProvidedIpv6CidrBlock.

Requests an Amazon-provided IPv6 CIDR block with a /56 prefix length for the VPC. You cannot specify the range of IPv6 addresses, or the size of the CIDR block.

Public Property CidrBlock System.String

Gets and sets the property CidrBlock.

An IPv4 CIDR block to associate with the VPC.

Public Property Ipv6CidrBlock System.String

Gets and sets the property Ipv6CidrBlock.

An IPv6 CIDR block from the IPv6 address pool. You must also specify Ipv6Pool in the request.

To let Amazon choose the IPv6 CIDR block for you, omit this parameter.

Public Property Ipv6CidrBlockNetworkBorderGroup System.String

Gets and sets the property Ipv6CidrBlockNetworkBorderGroup.

The name of the location from which we advertise the IPV6 CIDR block. Use this parameter to limit the CIDR block to this location.

You must set AmazonProvidedIpv6CidrBlock to true to use this parameter.

You can have one IPv6 CIDR block association per network border group.

Public Property Ipv6Pool System.String

Gets and sets the property Ipv6Pool.

The ID of an IPv6 address pool from which to allocate the IPv6 CIDR block.

Public Property VpcId System.String

Gets and sets the property VpcId.

The ID of the VPC.

Version Information

.NET Core App:
Supported in: 3.1

.NET Standard:
Supported in: 2.0

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