GET /#Action=ModifySubnetAttribute

Modifies a subnet attribute. You can only modify one attribute at a time.

Use this action to modify subnets on Amazon Web Services Outposts.

To modify a subnet on an Outpost rack, set both MapCustomerOwnedIpOnLaunch and CustomerOwnedIpv4Pool. These two parameters act as a single attribute.
To modify a subnet on an Outpost server, set either EnableLniAtDeviceIndex or DisableLniAtDeviceIndex.

For more information about Amazon Web Services Outposts, see the following:

Outpost servers
Outpost racks

Servers

https://ec2.{region}.amazonaws.com
https://ec2.amazonaws.com
https://ec2.{region}.amazonaws.com.cn

Request headers

Name	Type	Required	Description
`X-Amz-Content-Sha256`	String	No
`X-Amz-Credential`	String	No
`X-Amz-Date`	String	No
`X-Amz-Algorithm`	String	No
`X-Amz-SignedHeaders`	String	No
`X-Amz-Security-Token`	String	No
`X-Amz-Signature`	String	No

Query parameters

Name	Type	Required	Description
`Version`	String	Yes	Possible values: `"2016-11-15"`
`PrivateDnsHostnameTypeOnLaunch`	String	No	The type of hostname to assign to instances in the subnet at launch. For IPv4-only and dual-stack (IPv4 and IPv6) subnets, an instance DNS name can be based on the instance IPv4 address (ip-name) or the instance ID (resource-name). For IPv6 only subnets, an instance DNS name must be based on the instance ID (resource-name). Possible values: `"resource-name"` `"ip-name"`
`MapPublicIpOnLaunch`	Object	No	Specify `true` to indicate that network interfaces attached to instances created in the specified subnet should be assigned a public IPv4 address.
`EnableResourceNameDnsAAAARecordOnLaunch`	Object	No	Indicates whether to respond to DNS queries for instance hostnames with DNS AAAA records.
`EnableLniAtDeviceIndex`	Integer	No	Indicates the device position for local network interfaces in this subnet. For example, `1` indicates local network interfaces in this subnet are the secondary network interface (eth1). A local network interface cannot be the primary network interface (eth0).
`EnableResourceNameDnsARecordOnLaunch`	Object	No	Indicates whether to respond to DNS queries for instance hostnames with DNS A records.
`EnableDns64`	Object	No	Indicates whether DNS queries made to the Amazon-provided DNS Resolver in this subnet should return synthetic IPv6 addresses for IPv4-only destinations.
`CustomerOwnedIpv4Pool`	String	No	The customer-owned IPv4 address pool associated with the subnet. You must set this value when you specify `true` for `MapCustomerOwnedIpOnLaunch`.
`DisableLniAtDeviceIndex`	Object	No	Specify `true` to indicate that local network interfaces at the current position should be disabled.
`AssignIpv6AddressOnCreation`	Object	No	Specify `true` to indicate that network interfaces created in the specified subnet should be assigned an IPv6 address. This includes a network interface that's created when launching an instance into the subnet (the instance therefore receives an IPv6 address). If you enable the IPv6 addressing feature for your subnet, your network interface or instance only receives an IPv6 address if it's created using version `2016-11-15` or later of the Amazon EC2 API.
`SubnetId`	String	Yes	The ID of the subnet.
`MapCustomerOwnedIpOnLaunch`	Object	No	Specify `true` to indicate that network interfaces attached to instances created in the specified subnet should be assigned a customer-owned IPv4 address. When this value is `true`, you must specify the customer-owned IP pool using `CustomerOwnedIpv4Pool`.
`Action`	String	Yes	Possible values: `"ModifySubnetAttribute"`

How to start integrating

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Click Test request to test run your request to the API and see the API's response.