# Subnet
<a name="API_Subnet"></a>

Represents the subnet associated with a cluster. This parameter refers to subnets defined in Amazon Virtual Private Cloud (Amazon VPC) and used with MemoryDB.

## Contents
<a name="API_Subnet_Contents"></a>

 ** AvailabilityZone **   <a name="MemoryDB-Type-Subnet-AvailabilityZone"></a>
The Availability Zone where the subnet resides  
Type: [AvailabilityZone](API_AvailabilityZone.md) object  
Required: No

 ** Identifier **   <a name="MemoryDB-Type-Subnet-Identifier"></a>
The unique identifier for the subnet.  
Type: String  
Required: No

 ** SupportedNetworkTypes **   <a name="MemoryDB-Type-Subnet-SupportedNetworkTypes"></a>
The network types supported by this subnet. Returns an array of strings that can include 'ipv4', 'ipv6', or both, indicating whether the subnet supports IPv4 only, IPv6 only, or dual-stack deployments.  
Type: Array of strings  
Valid Values: `ipv4 | ipv6 | dual_stack`   
Required: No

## See Also
<a name="API_Subnet_SeeAlso"></a>

For more information about using this API in one of the language-specific Amazon SDKs, see the following:
+  [Amazon SDK for C\$1\$1](https://docs.amazonaws.cn/goto/SdkForCpp/memorydb-2021-01-01/Subnet) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/memorydb-2021-01-01/Subnet) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/memorydb-2021-01-01/Subnet)