DescribeVpcClassicLinkDnsSupport
We are retiring EC2-Classic on August 15, 2022. We recommend that you migrate from EC2-Classic to a VPC. For more information, see Migrate from EC2-Classic to a VPC in the Amazon Elastic Compute Cloud User Guide.
Describes the ClassicLink DNS support status of one or more VPCs. If enabled, the DNS hostname of a linked EC2-Classic instance resolves to its private IP address when addressed from an instance in the VPC to which it's linked. Similarly, the DNS hostname of an instance in a VPC resolves to its private IP address when addressed from a linked EC2-Classic instance. For more information, see ClassicLink in the Amazon Elastic Compute Cloud User Guide.
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.
- MaxResults
-
The maximum number of results to return with a single call. To retrieve the remaining results, make another call with the returned
nextToken
value.Type: Integer
Valid Range: Minimum value of 5. Maximum value of 255.
Required: No
- NextToken
-
The token for the next page of results.
Type: String
Length Constraints: Minimum length of 1. Maximum length of 1024.
Required: No
- VpcIds.N
-
One or more VPC IDs.
Type: Array of strings
Required: No
Response Elements
The following elements are returned by the service.
- nextToken
-
The token to use to retrieve the next page of results. This value is
null
when there are no more results to return.Type: String
Length Constraints: Minimum length of 1. Maximum length of 1024.
- requestId
-
The ID of the request.
Type: String
- vpcs
-
Information about the ClassicLink DNS support status of the VPCs.
Type: Array of ClassicLinkDnsSupport objects
Errors
For information about the errors that are common to all actions, see Common client error codes.
Examples
Example
This example describes the ClassicLink DNS support status of all of your VPCs.
Sample Request
https://ec2.amazonaws.com/?Action=DescribeVpcClassicLinkDnsSupport
&AUTHPARAMS
Sample Response
<DescribeVpcClassicLinkDnsSupportResponse xmlns="http://ec2.amazonaws.com/doc/2016-11-15/">
<requestId>14eea823-b88b-472a-9225-5f6a54ab1a5c</requestId>
<vpcs>
<item>
<classicLinkDnsSupported>true</classicLinkDnsSupported>
<vpcId>vpc-wxy987wz</vpcId>
</item>
<item>
<classicLinkDnsSupported>false</classicLinkDnsSupported>
<vpcId>vpc-123abc12</vpcId>
</item>
</vpcs>
</DescribeVpcClassicLinkDnsSupportResponse>
Example
This example describes the ClassicLink DNS support status of vpc-1a2b3c4d.
Sample Request
https://ec2.amazonaws.com/?Action=DescribeVpcClassicLinkDnsSupport
&VpcId.1=vpc-1a2b3c4d
&AUTHPARAMS
See Also
For more information about using this API in one of the language-specific AWS SDKs, see the following: