alicloud_vpc_ipv4_cidr_block

Provides a VPC Ipv4 Cidr Block resource. VPC IPv4 additional network segment.

For information about VPC Ipv4 Cidr Block and how to use it, see What is Ipv4 Cidr Block.

-> NOTE: Available since v1.185.0.

Example Usage

Basic Usage

variable "name" {
  default = "terraform-example"
}

provider "alicloud" {
  region = "cn-hangzhou"
}

resource "alicloud_vpc" "defaultvpc" {
  description = var.name
}

resource "alicloud_vpc_ipv4_cidr_block" "default" {
  secondary_cidr_block = "192.168.0.0/16"
  vpc_id               = alicloud_vpc.defaultvpc.id
}

Argument Reference

The following arguments are supported:

• secondary_cidr_block - (Required, ForceNew) The IPv4 CIDR block. Take note of the following requirements:
  • You can specify one of the following standard IPv4 CIDR blocks or their subnets as the secondary IPv4 CIDR block: 192.168.0.0/16, 172.16.0.0/12, and 10.0.0.0/8.
  • You can also use a custom CIDR block other than 100.64.0.0/10, 224.0.0.0/4, 127.0.0.0/8, 169.254.0.0/16, or their subnets as the secondary IPv4 CIDR block of the VPC.
  • The CIDR block cannot start with 0. The subnet mask must be 8 to 28 bits in length.
  • The secondary CIDR block cannot overlap with the primary CIDR block or an existing secondary CIDR block.
• vpc_id - (Required, ForceNew) The ID of the VPC.

Attributes Reference

The following attributes are exported:

• id - The ID of the resource supplied above.The value is formulated as <vpc_id>:<secondary_cidr_block>.

Timeouts

The timeouts block allows you to specify timeouts for certain actions:

• create - (Defaults to 5 mins) Used when create the Ipv4 Cidr Block.
• delete - (Defaults to 5 mins) Used when delete the Ipv4 Cidr Block.

Import

VPC Ipv4 Cidr Block can be imported using the id, e.g.

$ terraform import alicloud_vpc_ipv4_cidr_block.example <vpc_id>:<secondary_cidr_block>