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CreateSubnets

Last updated: 2023-08-23 14:11:14

1. API Description

Domain name for API request: vpc.tencentcloudapi.com.

This API is used to create subnets in batches.

  • You must create a VPC instance before creating a subnet.
  • After the subnet is successfully created, its IP address range cannot be modified. The subnet IP address range must fall within the VPC IP address range. They can be the same if the VPC has only one subnet. We recommend that you keep the subnet IP address range within the VPC IP address range to reserve IP address ranges for other subnets.
  • The subnet mask of the smallest IP address range that can be created is 28 (16 IP addresses), and that of the largest IP address range is 16 (65,536 IP addresses).
  • IP address ranges of different subnets cannot overlap with each other within the same VPC instance.
  • A subnet is automatically associated with the default route table once created.
  • You can bind a tag when creating a subnet. The tag list in the response indicates the tags that have been successfully added.

A maximum of 20 requests can be initiated per second for this API.

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2. Input Parameters

The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.

Parameter Name Required Type Description
Action Yes String Common Params. The value used for this API: CreateSubnets.
Version Yes String Common Params. The value used for this API: 2017-03-12.
Region No String Common Params. This parameter is not required for this API.
VpcId Yes String The ID of the VPC instance, such as vpc-6v2ht8q5.
Subnets.N Yes Array of SubnetInput The subnet object list.
Tags.N No Array of Tag Bound tags. Note that the collection of tags here is shared by all subnet objects in the list. You cannot specify tags for each subnet. Example: [{"Key": "city", "Value": "shanghai"}].
CdcId No String ID of the CDC instance to which the subnets will be created

3. Output Parameters

Parameter Name Type Description
SubnetSet Array of Subnet The list of newly created subnets.
RequestId String The unique request ID, which is returned for each request. RequestId is required for locating a problem.

4. Example

Example1 Batch creating subnets

This example shows you how to batch create subnets.

Input Example

https://vpc.tencentcloudapi.com/?Action=CreateSubnets
&VpcId=vpc-6v2ht8q5
&Subnets.0.CidrBlock=10.4.14.0/24
&Subnets.0.SubnetName=t1
&Subnets.0.Zone=ap-guangzhou-2
&Tags.0.Key=city
&Tags.0.Value=shanghai
&<Common request parameters>

Output Example

{
    "Response": {
        "SubnetSet": [
            {
                "NetworkAclId": "acl-6v2ht8q5",
                "RouteTableId": "rtb-pwtiswpd",
                "VpcId": "vpc-6v2ht8q5",
                "EnableBroadcast": false,
                "Zone": "ap-guangzhou-2",
                "IsCdcSubnet": 0,
                "Ipv6CidrBlock": "",
                "CdcId": "",
                "AvailableIpAddressCount": 1,
                "IsRemoteVpcSnat": true,
                "SubnetName": "t1",
                "TotalIpAddressCount": 1,
                "TagSet": [
                    {
                        "Key": "city",
                        "Value": "shanghai"
                    }
                ],
                "CreatedTime": "2023-03-29 14:32:17",
                "SubnetId": "subnet-5v5nrzz9",
                "CidrBlock": "10.4.14.0/24",
                "IsDefault": false
            }
        ],
        "RequestId": "158ac65e-d504-42f6-baac-b716f5855254"
    }
}

5. Developer Resources

SDK

TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.

Command Line Interface

6. Error Code

The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.

Error Code Description
InvalidParameter A parameter error occurred.
InvalidParameterValue.LimitExceeded The parameter value exceeds the limit.
InvalidParameterValue.Malformed Invalid input parameter format.
InvalidParameterValue.SubnetConflict Subnet CIDR conflict.
InvalidParameterValue.SubnetRange Invalid subnet CIDR.
InvalidParameterValue.TagDuplicateKey Duplicate tag keys.
InvalidParameterValue.TagDuplicateResourceType Duplicate tag resource type.
InvalidParameterValue.TagInvalidKey Invalid tag key.
InvalidParameterValue.TagInvalidKeyLen Invalid tag key length.
InvalidParameterValue.TagInvalidVal Invalid tag key.
InvalidParameterValue.TagKeyNotExists The tag key does not exist.
InvalidParameterValue.TagNotAllocatedQuota Tags are not assigned quotas.
InvalidParameterValue.TagNotExisted The tag and value do not exist.
InvalidParameterValue.TagNotSupportTag Unsupported tag.
InvalidParameterValue.TagResourceFormatError 'The tag resource format error.
InvalidParameterValue.TagTimestampExceeded Exceeded the quota of tag timestamp.
InvalidParameterValue.TagValNotExists The tag value does not exist.
InvalidParameterValue.TooLong Invalid parameter value. The parameter value is too long.
InvalidParameterValue.ZoneConflict The Zone parameter value should be the zone where CDC resides.
LimitExceeded Quota limit is reached.
LimitExceeded.TagKeyExceeded Reached the upper limit of tag keys.
LimitExceeded.TagKeyPerResourceExceeded Reached the upper limit of tags keys per resource.
LimitExceeded.TagNotEnoughQuota Insufficient tag quota.
LimitExceeded.TagQuota Exceeded the tag quota. Unable to create resources.
LimitExceeded.TagQuotaExceeded Reached the upper limit of tag quota.
LimitExceeded.TagTagsExceeded Reached the number limit of tag keys.
MissingParameter Missing parameter.
ResourceNotFound The resource does not exist.
UnknownParameter.WithGuess Unknown parameter. Try similar parameters.
UnsupportedOperation.AppIdMismatch The resource is not under the specified AppId.
UnsupportedOperation.DcGatewaysNotFoundInVpc No direct connect gateway exists in the specified VPC.
UnsupportedOperation.TagAllocate Tags are being assigned.
UnsupportedOperation.TagFree Tags are being released.
UnsupportedOperation.TagNotPermit Unauthorized for this tag.
UnsupportedOperation.TagSystemReservedTagKey The specified tag key is reserved for system usage.
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