**To describe the attachment attribute of a network interface** This example command describes the ``attachment`` attribute of the specified network interface. Command:: aws ec2 describe-network-interface-attribute --network-interface-id eni-686ea200 --attribute attachment Output:: { "NetworkInterfaceId": "eni-686ea200", "Attachment": { "Status": "attached", "DeviceIndex": 0, "AttachTime": "2015-05-21T20:02:20.000Z", "InstanceId": "i-1234567890abcdef0", "DeleteOnTermination": true, "AttachmentId": "eni-attach-43348162", "InstanceOwnerId": "123456789012" } } **To describe the description attribute of a network interface** This example command describes the ``description`` attribute of the specified network interface. Command:: aws ec2 describe-network-interface-attribute --network-interface-id eni-686ea200 --attribute description Output:: { "NetworkInterfaceId": "eni-686ea200", "Description": { "Value": "My description" } } **To describe the groupSet attribute of a network interface** This example command describes the ``groupSet`` attribute of the specified network interface. Command:: aws ec2 describe-network-interface-attribute --network-interface-id eni-686ea200 --attribute groupSet Output:: { "NetworkInterfaceId": "eni-686ea200", "Groups": [ { "GroupName": "my-security-group", "GroupId": "sg-903004f8" } ] } **To describe the sourceDestCheck attribute of a network interface** This example command describes the ``sourceDestCheck`` attribute of the specified network interface. Command:: aws ec2 describe-network-interface-attribute --network-interface-id eni-686ea200 --attribute sourceDestCheck Output:: { "NetworkInterfaceId": "eni-686ea200", "SourceDestCheck": { "Value": true } }