You can call this operation to modify the DNS servers of a Smart Access Gateway (SAG) instance.

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request parameters

Parameter Type Required Example Description
Action String No ModifySagUserDns

The operation that you want to perform.

Set the value to ModifySagUserDns.

MasterDns String Yes 192.XX.XX.1

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.
RegionId String Yes cn-shanghai

The ID of the region where the SAG instance is deployed.
SlaveDns String Yes 192.XX.XX.2

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.
SmartAGId String Yes sag-whfn****

The ID of the SAG instance.
SmartAGSn String Yes sag32a30****

The serial number (SN) of the SAG device.

Response parameters

Parameter Type Example Description
RequestId String 1120228A-E5E1-4E9C-B56D-96887E1A2B2F

The ID of the request.

Examples

Sample requests

http(s)://smartag.cn-shanghai.aliyuncs.com/? Action=ModifySagUserDns
&MasterDns=192.XX.XX.1
&RegionId=cn-shanghai
&SlaveDns=192.XX.XX.2
&SmartAGId=sag-whfn****
&SmartAGSn=sag32a30****
&<Common request parameters>

Sample success responses

XML format 

<ModifySagUserDnsResponse>
      <RequestId>1120228A-E5E1-4E9C-B56D-96887E1A2B2F</RequestId>
</ModifySagUserDnsResponse>

JSON format 

{
"RequestId": "1120228A-E5E1-4E9C-B56D-96887E1A2B2F"
}

Error codes

HttpCode Error code Error message Description
400 SAG.InstanceNoFound The specified SAG instance does not exist. The error message returned because the specified SAG instance does not exist.
400 SAG.SoftwareNotSupport The specified SAG software edition instance does not support ACL. The error message returned because the specified SAG instance does not support ACLs.
500 SmartAccessGatewayInArrears The specified Smart Access Gateway has expired. The error message returned because the specified SAG instance has expired. Renew the SAG instance first.
500 SmartAccessGatewayNotActivated The specified Smart Access Gateway has not been activated. The error message returned because the specified SAG has not been activated. Activate the SAG instance first.
403 SmartAccessGatewayNotOnline The specified smart access gateway is not online. The error message returned because the specified SAG device is not connected to Alibaba Cloud.
500 SmartAccessGatewayOffline The request cannot be completed. The Smart Access Gateway is offline. The error message returned because the specified SAG device is disconnected from Alibaba Cloud.
400 InstanceNotExit The specified instance does not exist. The error message returned because the specified instance does not exist.
400 ConfigUnsynchronized The network configuration is not synchronized. The error message returned because the network settings are not synchronized between the SAG device and instance.
403 FeatureNotSupport The current edition of the smart access gateway does not support this feature. The error message returned because the current version of the SAG instance does not support this feature.
403 FeatureNotSupportForActiveSmartAG The current edition of the active smart access gateway does not support this feature. The error message returned because the current version of the active SAG device does not support this feature.
403 FeatureNotSupportForStandBySmartAG The current edition of the standby smart access gateway does not support this feature. The error message returned because the current version of the standby SAG device does not support this feature.

For a list of error codes, visit the API Error Center.