ec2-describe-network-interface-attribute

Description

Describes a network interface attribute. Only one attribute can be specified per call.

The short version of this command is ec2dnicatt.

Syntax

ec2-describe-network-interface-attribute NETWORKINTERFACE -d, --description --source-dest-check --group-set -a, --attachment

Options

Name	Description	Required
`-d, --description`	Get the description of the network interface. Type: String	Yes
`--source-dest-check`	Gets whether to enable the source/dest check on traffic through this network interface. Type: String	Yes
`--group-set`	Get the security groups for the network interface. Type: String	Yes
`-a, --attachment`	Get the attachment (if any) of the network interface. Type: String	Yes

Common Options

Option	Description
`--region` `REGION`	Overrides the Region specified in the `EC2_URL` environment variable and the URL specified by the `-U` option. Default: The `EC2_URL` environment variable, or `us-east-1` if the environment variable is not set. Example: `--region eu-west-1`
`-U, --url` `URL`	`URL` is the uniform resource locator of the Amazon EC2 web service entry point. Default: The `EC2_URL` environment variable, or https://ec2.amazonaws.com if the environment variable is not set. Example: `-U https://ec2.amazonaws.com`
`-K, --private-key` `EC2-PRIVATE-KEY`	The private key to use when constructing requests to Amazon EC2. Default: The value of the `EC2_PRIVATE_KEY` environment variable. Example: `-K pk-HKZYKTAIG2ECMXYIBH3HXV4ZBEXAMPLE.pem`
`-C, --cert` `EC2-CERT`	The X.509 certificate to use when constructing requests to Amazon EC2. Default: The value of the `EC2_CERT` environment variable. Example: `-C cert-HKZYKTAIG2ECMXYIBH3HXV4ZBEXAMPLE.pem`
`--connection-timeout` `TIMEOUT`	Specifies a connection timeout (in seconds). Example: --connection-timeout 30
`--request-timeout` `TIMEOUT`	Specifies a request timeout (in seconds). Example: --request-timeout 45
`-v, --verbose`	Displays verbose output by showing the SOAP request and response on the command line. This is particularly useful if you are building tools to talk directly to our SOAP API.
`-H, --headers`	Displays column headers in the output.
`--show-empty-fields`	Shows empty columns as `(nil)`.
`--hide-tags`	Do not display tags for tagged resources.
`--debug`	Prints internal debugging information. This is useful to assist us when troubleshooting problems.
`-?, --help, -h`	Displays Help.
`-`	If `-` is specified as an argument to one of the parameters, a list of arguments is read from standard input. This is useful for piping the output of one command into the input of another. Example: `ec2-describe-instances \| grep stopped \| cut -f 2 \| ec2-start-instances -`

Output

The command returns the specified network interface attribute.

Amazon EC2 command line tools display errors on stderr.

Examples

Example Request

This example lists the network interface's description.

PROMPT> ec2-describe-network-interface-attribute eni-b35da6da -d
				NETWORKINTERFACE        eni-b35da6da    description
				DESCRIPTION     My ENI

This example enables source/destination checking on traffic across the specified network interface.

PROMPT> ec2-describe-network-interface-attribute eni-b35da6da --source-dest-check
				NETWORKINTERFACE        eni-b35da6da    sourceDestCheck
				SOURCEDESTCHECK true

This example lists the security groups for the specified network interface.

PROMPT> ec2-describe-network-interface-attribute eni-b35da6da --group-set
				NETWORKINTERFACE        eni-b35da6da    group
				GROUP   sg-8ea1bce2     default