# InstanceSecondaryInterface


Describes a secondary interface attached to an instance.

## Contents


 ** attachment **   
The attachment information for the secondary interface.  
Type: [InstanceSecondaryInterfaceAttachment](API_InstanceSecondaryInterfaceAttachment.md) object  
Required: No

 ** interfaceType **   
The type of secondary interface.  
Type: String  
Valid Values: `secondary`   
Required: No

 ** macAddress **   
The MAC address of the secondary interface.  
Type: String  
Required: No

 ** ownerId **   
The AWS account ID of the owner of the secondary interface.  
Type: String  
Required: No

 ** PrivateIpAddressSet.N **   
The private IPv4 addresses associated with the secondary interface.  
Type: Array of [InstanceSecondaryInterfacePrivateIpAddress](API_InstanceSecondaryInterfacePrivateIpAddress.md) objects  
Required: No

 ** secondaryInterfaceId **   
The ID of the secondary interface.  
Type: String  
Required: No

 ** secondaryNetworkId **   
The ID of the secondary network.  
Type: String  
Required: No

 ** secondarySubnetId **   
The ID of the secondary subnet.  
Type: String  
Required: No

 ** sourceDestCheck **   
Indicates whether source/destination checking is enabled.  
Type: Boolean  
Required: No

 ** status **   
The status of the secondary interface.  
Type: String  
Valid Values: `available | in-use`   
Required: No

## See Also


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/ec2-2016-11-15/InstanceSecondaryInterface) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/ec2-2016-11-15/InstanceSecondaryInterface) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/ec2-2016-11-15/InstanceSecondaryInterface)