UpdateLoadBalancerAttribute - Server Load Balancer - Alibaba Cloud Documentation Center

Updates the attributes, including the name, of a Network Load Balancer (NLB) instance.

Debugging

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Debug

Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

Operation: the value that you can use in the Action element to specify the operation on a resource.
Access level: the access level of each operation. The levels are read, write, and list.
Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
- The required resource types are displayed in bold characters.
- If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
Condition Key: the condition key that is defined by the cloud service.
Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.

Operation	Access level	Resource type	Condition key	Associated operation
nlb:UpdateLoadBalancerAttribute	update	LoadBalancer acs:nlb:{#regionId}:{#accountId}:loadbalancer/{#LoadBalancerId}	none	none

Request parameters

Parameter	Type	Required	Description	Example
LoadBalancerId	string	Yes	The NLB instance ID.	nlb-wb7r6dlwetvt5j****
LoadBalancerName	string	No	The NLB instance name. The name must be 2 to 128 characters in length, and can contain letters, digits, periods (.), underscores (_), and hyphens (-). The name must start with a letter.	NLB1
CrossZoneEnabled	boolean	No	Specifies whether to enable cross-zone load balancing for the NLB instance. Valid values: true false	false
DryRun	boolean	No	Specifies whether to perform a dry run, without performing the actual request. Valid values: true: performs only a dry run. The system checks the request for potential issues, including missing parameter values, incorrect request syntax, and service limits. If the request fails the dry run, an error message is returned. If the request passes the dry run, the `DryRunOperation` error code is returned. false(default): performs a dry run and performs the actual request. If the request passes the dry run, a 2xx HTTP status code is returned and the operation is performed.	false
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
RegionId	string	No	The region ID of the NLB instance. You can call the DescribeRegions operation to query the most recent region list.	cn-beijing
Cps	integer	No	The maximum number of new connections per second supported by the NLB instance in each zone (virtual IP address). Valid values: 1 to 1000000.	1

Response parameters

Parameter	Type	Description	Example
	object	Updates the attributes, including the name, of an NLB instance.
RequestId	string	The request ID.	7294679F-08DE-16D4-8E5D-1625685DC10B
JobId	string	The ID of the asynchronous task.	aab74cfa-3bc4-48fc-80fc-0101da5a****

Examples

Sample success responses

JSONformat

{
  "RequestId": "7294679F-08DE-16D4-8E5D-1625685DC10B",
  "JobId": "aab74cfa-3bc4-48fc-80fc-0101da5a****"
}

Error codes

HTTP status code	Error code	Error message	Description
400	SystemBusy	System is busy, please try again later.	-
400	ResourceInConfiguring.loadbalancer	The specified resource of loadbalancer is being configured, please try again later.	The specified resource of loadbalancer is being configured, please try again later.
400	DryRunOperation	Request validation has been passed with DryRun flag set.	Request validation has been passed with DryRun flag set.
400	IllegalParam.loadBalancerName	Param loadBalancerName is illegal.	The instance name is invalid. Check the parameters.
403	Forbidden.NoPermission	Authentication is failed for NoPermission.	Authentication is failed for NoPermission.
404	ResourceNotFound.loadBalancer	The specified resource of loadbalancer is not found.	The specified load balancer resource was not found. Please check the input parameters.

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

Change history

Change time	Summary of changes	Operation
2024-01-24	The Error code has changed	View Change Details
2023-12-20	The Error code has changed	View Change Details
2023-09-05	The Error code has changed	View Change Details
2023-08-22	The Error code has changed	View Change Details