Use AllocateVpcIpv6Cidr to reserve an IPv6 CIDR block - Virtual Private Cloud - Alibaba Cloud - Virtual Private Cloud

Reserves an IPv6 CIDR block.

Operation description

The following section describes how to allocate an IPv6 CIDR block to a virtual private cloud (VPC):

Call the AllocateVpcIpv6Cidr operation to reserve the IPv6 CIDR block.
To allocate an IPv6 CIDR block to an existing VPC, call the AssociateVpcCidrBlock operation. Set RegionId, VpcId, and IPv6CidrBlock to the IPv6 CIDR block, and set IpVersion to ipv6. To allocate an IPv6 CIDR block when you create a VPC, call the CreateVpc operation. Set RegionId and Ipv6CidrBlock to the IPv6 CIDR block, and set EnableIpv6 to true.

Debugging

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Debug

Authorization information

There is currently no authorization information disclosed in the API.

Request parameters

Parameter	Type	Required	Description	Example
RegionId	string	Yes	The region ID of the VPC. You can call the DescribeRegions operation to query the most recent region list.	cn-hangzhou
ClientToken	string	No	The client token that is used to ensure the idempotence of the request. You can use the client to generate the token, but you must make sure that the token is unique among different requests. The token can contain only ASCII characters. Note If you do not specify this parameter, the system automatically uses the request ID as the client token. The request ID may be different for each request.	123e4567-e89b-12d3-a456-426655440000
Ipv6Isp	string	No	The type of IPv6 CIDR block. Valid values: BGP (default): BGP (Multi-ISP) BGP_International: BGP (Multi-ISP) International ChinaMobile: China Mobile (Single-ISP) ChinaUnicom: China Unicom (Single-ISP) ChinaTelecom: China Telecom (Single-ISP) ChinaMobile_L2: China Mobile (Single-ISP)_L2 ChinaUnicom_L2: China Unicom (Single-ISP)_L2 ChinaTelecom_L2: China Telecom (Single-ISP)_L2 Note If your account is included in the whitelist, you can set this parameter to one of the following values: ChinaTelecom, ChinaUnicom, ChinaMobile, ChinaTelecom_L2, ChinaUnicom_L2, ChinaMobile_L2, and BGP_International. You can reserve only one IPv6 CIDR block of each type. You can reserve another IPv6 CIDR block only after the existing one is allocated to a VPC.	BGP
AddressPoolType	string	No	The type of the IPv6 address pool. Valid values: aliyun (default): IPv6 CIDR block is allocated by the system. custom: custom IPv6 CIDR block.	custom
Ipv6CidrBlock	string	No	The IPv6 CIDR block that you want to reserve.	2408:XXXX:0:a600::/56

Response parameters

Parameter	Type	Description	Example
	object
Ipv6CidrBlock	string	The IPv6 CIDR block that is reserved.	2408:XXXX:0:a600::/56
RequestId	string	The request ID.	D20C13EA-2584-53BC-8393-69DE6D98EFF1

Examples

Sample success responses

JSONformat

{
  "Ipv6CidrBlock": "2408:XXXX:0:a600::/56",
  "RequestId": "D20C13EA-2584-53BC-8393-69DE6D98EFF1"
}

Error codes

HTTP status code	Error code	Error message	Description
400	OperationUnsupported.Ipv6Feature	The IPv6 feature is not supported in the region.	This region does not support IPv6.
400	UnsupportedFeature.Ipv6Isp	The Ipv6Isp feature is not supported.	The specified IPv6 ISP is not supported.
400	IllegalParam.AddressPoolType	The specified addressPoolType is invalid.	The specified address pool type is invalid.
400	ResourceNotEnough.Ipv6Cidr	The specified resource ipv6 cidr is not enough.	Insufficient IPv6 CIDR block resources.
400	IllegalParam.Ipv6Cidr	The specified Ipv6CidrBlock is invalid.	Ipv6CidrBlock is set to an invalid value.
400	Unavailable.Ipv6Cidr	The specified resource ipv6 cidr is not available.	The specified IPv6 CIDR block is unavailable.
400	IllegalParam.CidrBlock	The param of cidrBlock is illegal.	The error message returned because the value of the cidrBlock parameter is invalid.

For a list of error codes, visit the Service error codes.

Change history

Change time	Summary of changes	Operation
2023-07-20	The Error code has changed	View Change Details