# Create an ELB Stack
<a name="gui-ex-WP-stack-elb-create"></a>

Launch a public ELB.

REQUIRED DATA:
+ `VpcId`: The VPC you are using, this should be the same as the previously used VPC.
+ `ELBSubnetIds`: An array of subnets across which the load balancer will distribute traffic. Choose either public or private subnets. Find Subnet IDs with the For the AMS SKMS API reference, see the **Reports** tab in the AWS Artifact Console. operation (CLI: list-subnet-summaries) or in the AMS Console VPCs -> VPC details page.
+ `VpcId`: The VPC you are using, this should be the same as the previously used VPC.

1. On the **Create RFC** page, select the category **Deployment**, subcategory **Advanced Stack Components**, item **Load balancer (ELB) stack**, and click **Create**. Choose **Advanced** and accept all defaults (including those with no value) except those shown next.

   ```
   Subject:                          WP-ELB-RFC   
   ELBSubnetIds:                     {{PUBLIC_AZ1
                                PUBLIC_AZ2}}
   ELBScheme                         true
   ELBCookieExpirationPeriod         600
   VpcId:                            {{VPC_ID}}
   Name:                             WP-Public-ELB
   ```

1. Click **Submit** when finished.