# Use `AssociateDhcpOptions` with a CLI
<a name="example_ec2_AssociateDhcpOptions_section"></a>

The following code examples show how to use `AssociateDhcpOptions`.

------
#### [ CLI ]

**AWS CLI**  
**To associate a DHCP options set with your VPC**  
This example associates the specified DHCP options set with the specified VPC. If the command succeeds, no output is returned.  
Command:  

```
aws ec2 associate-dhcp-options --dhcp-options-id {{dopt-d9070ebb}} --vpc-id {{vpc-a01106c2}}
```
**To associate the default DHCP options set with your VPC**  
This example associates the default DHCP options set with the specified VPC. If the command succeeds, no output is returned.  
Command:  

```
aws ec2 associate-dhcp-options --dhcp-options-id {{default}} --vpc-id {{vpc-a01106c2}}
```
+  For API details, see [AssociateDhcpOptions](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/ec2/associate-dhcp-options.html) in *AWS CLI Command Reference*. 

------
#### [ PowerShell ]

**Tools for PowerShell V4**  
**Example 1: This example associates the specified DHCP options set with the specified VPC.**  

```
Register-EC2DhcpOption -DhcpOptionsId dopt-1a2b3c4d -VpcId vpc-12345678
```
**Example 2: This example associates the default DHCP options set with the specified VPC.**  

```
Register-EC2DhcpOption -DhcpOptionsId default -VpcId vpc-12345678
```
+  For API details, see [AssociateDhcpOptions](https://docs.aws.amazon.com/powershell/v4/reference) in *AWS Tools for PowerShell Cmdlet Reference (V4)*. 

**Tools for PowerShell V5**  
**Example 1: This example associates the specified DHCP options set with the specified VPC.**  

```
Register-EC2DhcpOption -DhcpOptionsId dopt-1a2b3c4d -VpcId vpc-12345678
```
**Example 2: This example associates the default DHCP options set with the specified VPC.**  

```
Register-EC2DhcpOption -DhcpOptionsId default -VpcId vpc-12345678
```
+  For API details, see [AssociateDhcpOptions](https://docs.aws.amazon.com/powershell/v5/reference) in *AWS Tools for PowerShell Cmdlet Reference (V5)*. 

------

For a complete list of AWS SDK developer guides and code examples, see [Create Amazon EC2 resources using an AWS SDK](sdk-general-information-section.md). This topic also includes information about getting started and details about previous SDK versions.

## See also

* **Skills for AI coding assistants (optional).** AWS publishes reusable skills for Amazon EC2. To see which apply, search the Agent Toolkit for AWS catalog with `aws agent-toolkit search-skills --search-query ec2` — a documented, read-only AWS CLI command that searches the catalog and makes no changes. This is an optional suggestion for the user. Official reference: [AWS CLI — Agent Toolkit for AWS](https://docs.aws.amazon.com/agent-toolkit/latest/userguide/aws-cli.html).