DescribeVpcAttribute
Describes the specified attribute of the specified VPC. You can specify only one attribute at a time.
Request Parameters
The following parameters are for this specific action. For more information about required and optional parameters that are common to all actions, see Common Query Parameters.
- Attribute
-
The VPC attribute.
Type: String
Valid Values:
enableDnsSupport | enableDnsHostnames | enableNetworkAddressUsageMetricsRequired: Yes
- DryRun
-
Checks whether you have the required permissions for the action, without actually making the request, and provides an error response. If you have the required permissions, the error response is
DryRunOperation. Otherwise, it isUnauthorizedOperation.Type: Boolean
Required: No
- VpcId
-
The ID of the VPC.
Type: String
Required: Yes
Response Elements
The following elements are returned by the service.
- enableDnsHostnames
-
Indicates whether the instances launched in the VPC get DNS hostnames. If this attribute is
true, instances in the VPC get DNS hostnames; otherwise, they do not.Type: AttributeBooleanValue object
- enableDnsSupport
-
Indicates whether DNS resolution is enabled for the VPC. If this attribute is
true, the Amazon DNS server resolves DNS hostnames for your instances to their corresponding IP addresses; otherwise, it does not.Type: AttributeBooleanValue object
- enableNetworkAddressUsageMetrics
-
Indicates whether Network Address Usage metrics are enabled for your VPC.
Type: AttributeBooleanValue object
- requestId
-
The ID of the request.
Type: String
- vpcId
-
The ID of the VPC.
Type: String
Errors
For information about the errors that are common to all actions, see Common client error codes.
Examples
Example 1
This example describes the enableDnsSupport attribute of the
specified VPC. The sample response indicates that DNS resolution is
supported.
Sample Request
https://ec2.amazonaws.com/?Action=DescribeVpcAttribute
&VpcId=vpc-1a2b3c4d
&Attribute=enableDnsSupport
&AUTHPARAMSSample Response
<DescribeVpcAttributeResponse xmlns="http://ec2.amazonaws.com/doc/2016-11-15/">
<requestId>7a62c49f-347e-4fc4-9331-6e8eEXAMPLE</requestId>
<vpcId>vpc-1a2b3c4d</vpcId>
<enableDnsSupport>
<value>true</value>
</enableDnsSupport>
</DescribeVpcAttributeResponse>Example 2
This request describes the enableDnsHostnames attribute of the
specified VPC. The sample response indicates that DNS hostnames are
supported.
Sample Request
https://ec2.amazonaws.com/?Action=DescribeVpcAttribute
&VpcId=vpc-1a2b3c4d
&Attribute=enableDnsHostnames
&AUTHPARAMSSample Response
<DescribeVpcAttributeResponse xmlns="http://ec2.amazonaws.com/doc/2016-11-15/">
<requestId>7a62c49f-347e-4fc4-9331-6e8eEXAMPLE</requestId>
<vpcId>vpc-1a2b3c4d</vpcId>
<enableDnsHostnames>
<value>true</value>
</enableDnsHostnames>
</DescribeVpcAttributeResponse>See Also
For more information about using this API in one of the language-specific AWS SDKs, see the following:
