Use ModifySubnetAttribute with an Amazon SDK or CLI - Amazon Elastic Compute Cloud
Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China (PDF).

Use ModifySubnetAttribute with an Amazon SDK or CLI

The following code examples show how to use ModifySubnetAttribute.

CLI
Amazon CLI

To change a subnet's public IPv4 addressing behavior

This example modifies subnet-1a2b3c4d to specify that all instances launched into this subnet are assigned a public IPv4 address. If the command succeeds, no output is returned.

Command:

aws ec2 modify-subnet-attribute --subnet-id subnet-1a2b3c4d --map-public-ip-on-launch

To change a subnet's IPv6 addressing behavior

This example modifies subnet-1a2b3c4d to specify that all instances launched into this subnet are assigned an IPv6 address from the range of the subnet.

Command:

aws ec2 modify-subnet-attribute --subnet-id subnet-1a2b3c4d --assign-ipv6-address-on-creation

For more information, see IP Addressing in Your VPC in the Amazon Virtual Private Cloud User Guide.

PowerShell
Tools for PowerShell

Example 1: This example enables public IP addressing for the specified subnet.

Edit-EC2SubnetAttribute -SubnetId subnet-1a2b3c4d -MapPublicIpOnLaunch $true

Example 2: This example disables public IP addressing for the specified subnet.

Edit-EC2SubnetAttribute -SubnetId subnet-1a2b3c4d -MapPublicIpOnLaunch $false

For a complete list of Amazon SDK developer guides and code examples, see Create Amazon EC2 resources using an Amazon SDK. This topic also includes information about getting started and details about previous SDK versions.