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Interface CreateSubnetCommandInput




Optional AvailabilityZone

AvailabilityZone: undefined | string

The Availability Zone or Local Zone for the subnet.

Default: Amazon Web Services selects one for you. If you create more than one subnet in your VPC, we do not necessarily select a different zone for each subnet.

To create a subnet in a Local Zone, set this value to the Local Zone ID, for example us-west-2-lax-1a. For information about the Regions that support Local Zones, see Available Regions in the Amazon Elastic Compute Cloud User Guide.

To create a subnet in an Outpost, set this value to the Availability Zone for the Outpost and specify the Outpost ARN.

Optional AvailabilityZoneId

AvailabilityZoneId: undefined | string

The AZ ID or the Local Zone ID of the subnet.

Optional CidrBlock

CidrBlock: undefined | string

The IPv4 network range for the subnet, in CIDR notation. For example, We modify the specified CIDR block to its canonical form; for example, if you specify, we modify it to

This parameter is not supported for an IPv6 only subnet.

Optional DryRun

DryRun: undefined | false | true

Checks whether you have the required permissions for the action, without actually making the request, and provides an error response. If you have the required permissions, the error response is DryRunOperation. Otherwise, it is UnauthorizedOperation.

Optional Ipv6CidrBlock

Ipv6CidrBlock: undefined | string

The IPv6 network range for the subnet, in CIDR notation. The subnet size must use a /64 prefix length.

This parameter is required for an IPv6 only subnet.

Optional Ipv6Native

Ipv6Native: undefined | false | true

Indicates whether to create an IPv6 only subnet.

Optional OutpostArn

OutpostArn: undefined | string

The Amazon Resource Name (ARN) of the Outpost. If you specify an Outpost ARN, you must also specify the Availability Zone of the Outpost subnet.

Optional TagSpecifications

TagSpecifications: TagSpecification[]

The tags to assign to the subnet.


VpcId: string | undefined

The ID of the VPC.