Modifies the DNS servers used by a Smart Access Gateway (SAG) instance.
Debugging
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 Resourcesis 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 |
|---|---|---|---|---|
| smartag:ModifySagUserDns | Write |
|
| none |
Request parameters
| Parameter | Type | Required | Description | Example |
|---|---|---|---|---|
| RegionId | string | Yes | The ID of the region where the SAG instance is deployed. | cn-shanghai |
| SmartAGId | string | Yes | The ID of the SAG instance. | sag-whfn**** |
| SmartAGSn | string | Yes | The serial number of the SAG device associated with the SAG instance. | sag32a30**** |
| MasterDns | string | Yes | The IP address of the primary DNS server. Note
If you do not set this parameter, the IP address of the existing DNS server will be cleared.
| 192.XX.XX.1 |
| SlaveDns | string | Yes | The IP address of the secondary DNS server. Note
If you do not set this parameter, the IP address of the existing DNS server will be cleared.
| 192.XX.XX.2 |
Response parameters
Examples
Sample success responses
JSONformat
{
"RequestId": "1120228A-E5E1-4E9C-B56D-96887E1A2B2F"
}Error codes
| HTTP status code | Error code | Error message | Description |
|---|---|---|---|
| 400 | SAG.InstanceNoFound | The specified SAG instance does not exist. | The specified SAG instance does not exist. |
| 400 | SAG.SoftwareNotSupport | The specified SAG software edition instance does not support ACL. | The specified SAG software edition instance does not support ACL. |
| 400 | InstanceNotExit | The specified instance does not exist. | The specified instance does not exist. |
| 400 | ConfigUnsynchronized | The network configuration is not synchronized. | Network settings are not synchronized. |
| 403 | SmartAccessGatewayNotOnline | The specified smart access gateway is not online. | The specified SAG device is disconnected. The operation cannot be processed. |
| 403 | FeatureNotSupport | The current edition of the smart access gateway does not support this feature. | The current version of Smart Access Gateway does not support this feature. |
| 403 | FeatureNotSupportForActiveSmartAG | The current edition of the active smart access gateway does not support this feature. | The current edition of the active SAG instance does not support this feature. |
| 403 | FeatureNotSupportForStandBySmartAG | The current edition of the standby smart access gateway does not support this feature. | The current version of Smart Access Gateway does not support this feature. |
| 500 | SmartAccessGatewayInArrears | The specified Smart Access Gateway has expired. | The specified Smart Access Gateway has expired. |
| 500 | SmartAccessGatewayNotActivated | The specified Smart Access Gateway has not been activated. | The specified SAG instance is inactive. You must activate the instance first. |
| 500 | SmartAccessGatewayOffline | The request cannot be completed. The Smart Access Gateway is offline. | The SAG device is disconnected. The request cannot be processed. |
For a list of error codes, visit the Service error codes.