UpdateGtmInstanceGlobalConfig - Alibaba Cloud DNS - Alibaba Cloud Documentation Center

Modifies the configurations of a Global Traffic Manager (GTM) instance based on the specified parameters.

Debugging

There is currently no authorization information disclosed in the API.

Parameter	Type	Required	Description	Example
Lang	string	No	The language.	en
InstanceId	string	Yes	The ID of the GTM instance.	instance1
InstanceName	string	No	The name of the GTM instance. Note This parameter is required only for the first modification.
Ttl	integer	No	The global time-to-live (TTL).	60
UserDomainName	string	No	The primary domain name. Note This parameter is required only for the first modification.	www.example.com
LbaStrategy	string	No	The balancing policy. Valid values: ALL_RR: load balancing RATIO: weighted round-robin Note This parameter is required only for the first modification.	RATIO
AlertGroup	string	No	The alert group. Only one alert group is supported. Note This parameter is required only for the first modification.
CnameMode	string	No	Specifies whether to use a system-assigned canonical name (CNAME) or a custom CNAME to access GTM. Valid values: SYSTEM_ASSIGN: system-assigned CNAME CUSTOM: custom CNAME	SYSTEM_ASSIGN
CnameCustomDomainName	string	No	If you set CnameMode to CUSTOM, you must specify the CnameCustomDomainName parameter, which must be set to a primary domain name.	www.example.com

Parameter	Type	Description	Example
	object
RequestId	string	The request ID.	29D0F8F8-5499-4F6C-9FDC-1EE13BF55925

Sample success responses

JSONformat

{
  "RequestId": "29D0F8F8-5499-4F6C-9FDC-1EE13BF55925"
}

HTTP status code	Error code	Error message
400	GtmInstance.CnameModeDeny
400	DnsGtmInstance.CnameModeDeny

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

Change time	Summary of changes	Operation
2023-03-09	The Error code has changed	View Change Details