Modifies the configuration of a DHCP options set.
Debugging
Request parameters
Parameter | Type | Required | Example | Description |
---|---|---|---|---|
Action | String | Yes | UpdateDhcpOptionsSetAttribute | The operation that you want to perform. Set the value to UpdateDhcpOptionsSetAttribute. |
RegionId | String | Yes | cn-hangzhou | The region where the DHCP options set is deployed. You can call the DescribeRegions operation to query the most recent region list. |
DhcpOptionsSetId | String | Yes | dopt-o6w0df4epg9zo8isy**** | The ID of the DHCP options set. |
DomainNameServers | String | No | 192.XX.XX.123 | The IP address of the DNS server. You can enter at most four DNS server IP addresses. Separate IP addresses with commas (,). Note If you do not specify a DNS server IP address, Elastic Compute Service (ECS) instances use the IP addresses of the Alibaba Cloud DNS servers, which are 100.100.2.136 and 100.100.2.138. |
DomainName | String | No | example.com | The root domain. For example, you can set the value to example.com. After a DHCP options set is associated with a virtual private cloud (VPC), the root domain in the DHCP options set is automatically synchronized with the ECS instances in the VPC. |
DhcpOptionsSetName | String | No | name | The name of the DHCP options set. The name must be 2 to 128 characters in length, and can contain letters, digits, underscores (_), and hyphens (-). The name must start with a letter. |
DhcpOptionsSetDescription | String | No | description | Enter a description for the DHCP options set. The description must be 2 to 256 characters in length. It must start with a letter and cannot start with |
ClientToken | String | No | 0c593ea1-3bea-11e9-b96b-88e9fe637760 | 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 set this parameter, ClientToken is set to the value of RequestId. The value of RequestId for each API request may be different. |
DryRun | Boolean | No | false | Specifies whether to perform a dry run. Valid values: true: performs a dry run. The system checks the required parameters, request format, and limits. If the request fails the dry run, an error message is returned. If the request passes the dry run, the false (default): performs a dry run and sends the request. If the request passes the dry run, a 2xx HTTP status code is returned and the operation is performed. |
LeaseTime | String | No | 3650d | The lease time of the IPv4 addresses for the DHCP options set.
Note If you specify a value, you must also specify the unit. |
Ipv6LeaseTime | String | No | 3650d | The lease time of the IPv6 addresses for the DHCP options set.
Note If you specify a value, you must also specify the unit. |
Response parameters
Parameter | Type | Example | Description |
---|---|---|---|
RequestId | String | 0ED8D006-F706-4D23-88ED-E11ED28DCAC0 | The ID of the request. |
Examples
Sample requests
http(s)://[Endpoint]/?Action=UpdateDhcpOptionsSetAttribute
&RegionId=cn-hangzhou
&DhcpOptionsSetId=dopt-o6w0df4epg9zo8isy****
&DomainNameServers=192.XX.XX.123
&DomainName=example.com
&DhcpOptionsSetName=name
&DhcpOptionsSetDescription=description
&ClientToken=0c593ea1-3bea-11e9-b96b-88e9fe637760
&DryRun=false
&LeaseTime=3650d
&Ipv6LeaseTime=3650d
&Common request parameters
Sample success responses
XML
format
HTTP/1.1 200 OK
Content-Type:application/xml
<UpdateDhcpOptionsSetAttributeResponse>
<RequestId>0ED8D006-F706-4D23-88ED-E11ED28DCAC0</RequestId>
</UpdateDhcpOptionsSetAttributeResponse>
JSON
format
HTTP/1.1 200 OK
Content-Type:application/json
{
"RequestId" : "0ED8D006-F706-4D23-88ED-E11ED28DCAC0"
}
Error codes
HttpCode | Error code | Error message | Description |
---|---|---|---|
400 | InvalidDhcpOptionsSetId.NotFound | The specified dhcpOptionsSetId does not exist. | The error message returned because the DHCP options set does not exist. Check whether the parameter is set to a valid value. |
400 | IncorrectStatus.DhcpOptionsSet | The DhcpOptionsSet status does not support this operation. | The error message returned because the DHCP options set that is associated with the VPC is being configured. As a result, the DHCP options set does not support this operation. You can perform the operation after the status of the DHCP options set is stable. |
400 | IllegalParam.DomainNameServers | The specified DomainNameServers is invalid. | The error message returned because DomainNameServers is set to an invalid value. Check whether the parameter is set to a valid value. |
400 | IllegalParam.DomainName | The specified DomainName is invalid. | The error message returned because DomainName is set to an invalid value. |
400 | IllegalParam.DhcpOptionsSetName | The specified DhcpOptionsSetName is invalid. | The error message returned because DhcpOptionsSetName is set to an invalid value. Check whether the parameter is set to a valid value. |
400 | IllegalParam.DhcpOptionsSetDescription | The specified DhcpOptionsSetDescription is invalid. | The error message returned because DhcpOptionsSetDescription is set to an invalid value. Check whether the parameter is set to a valid value. |
404 | InvalidRegionId.NotFound | The specified RegionId does not exist. | The error message returned because the specified region does not exist. Check whether the region ID is valid. |
For a list of error codes, see Service error codes.