# DBSubnetGroup
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Contains the details of an Amazon RDS DB subnet group.

This data type is used as a response element in the `DescribeDBSubnetGroups` action.

## Contents
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**Note**  
In the following list, the required parameters are described first.

 ** DBSubnetGroupArn **   
The Amazon Resource Name (ARN) for the DB subnet group.  
Type: String  
Required: No

 ** DBSubnetGroupDescription **   
Provides the description of the DB subnet group.  
Type: String  
Required: No

 ** DBSubnetGroupName **   
The name of the DB subnet group.  
Type: String  
Required: No

 ** SubnetGroupStatus **   
Provides the status of the DB subnet group.  
Type: String  
Required: No

 ** Subnets.Subnet.N **   
Contains a list of `Subnet` elements. The list of subnets shown here might not reflect the current state of your VPC. For the most up-to-date information, we recommend checking your VPC configuration directly.  
Type: Array of [Subnet](API_Subnet.md) objects  
Required: No

 ** SupportedNetworkTypes.member.N **   
The network type of the DB subnet group.  
Valid values:  
+  `IPV4` 
+  `DUAL` 
A `DBSubnetGroup` can support only the IPv4 protocol or the IPv4 and the IPv6 protocols (`DUAL`).  
For more information, see [ Working with a DB instance in a VPC](https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_VPC.WorkingWithRDSInstanceinaVPC.html) in the *Amazon RDS User Guide.*   
Type: Array of strings  
Required: No

 ** VpcId **   
Provides the VpcId of the DB subnet group.  
Type: String  
Required: No

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/rds-2014-10-31/DBSubnetGroup) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/rds-2014-10-31/DBSubnetGroup) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/rds-2014-10-31/DBSubnetGroup)