# VpcOptions
<a name="API_VpcOptions"></a>

Describes the VPC options.

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

 ** ApplianceModeSupport **   <a name="networkmanager-Type-VpcOptions-ApplianceModeSupport"></a>
Indicates whether appliance mode is supported. If enabled, traffic flow between a source and destination use the same Availability Zone for the VPC attachment for the lifetime of that flow. The default value is `false`.  
Type: Boolean  
Required: No

 ** DnsSupport **   <a name="networkmanager-Type-VpcOptions-DnsSupport"></a>
Indicates whether DNS is supported.  
Type: Boolean  
Required: No

 ** Ipv6Support **   <a name="networkmanager-Type-VpcOptions-Ipv6Support"></a>
Indicates whether IPv6 is supported.  
Type: Boolean  
Required: No

 ** SecurityGroupReferencingSupport **   <a name="networkmanager-Type-VpcOptions-SecurityGroupReferencingSupport"></a>
Indicates whether security group referencing is enabled for this VPC attachment. The default is `true`. However, at the core network policy-level the default is set to `false`.  
Type: Boolean  
Required: No

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

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/networkmanager-2019-07-05/VpcOptions) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/networkmanager-2019-07-05/VpcOptions) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/networkmanager-2019-07-05/VpcOptions)