Create and Manage Application Load Balancer Instances
ALB is a layer-7 dedicated load balancing service. By purchasing an ALB instance, you can distribute requests from clients to backend servers. This article explains how to create an ALB instance.
Creating Instances
- Log in to the Application Load Balancer ALB console.
- On the list of instances, click Create Load Balancer.
- On the Application Load Balancer purchase page, complete the following configuration;
Configuration | Description | Required |
---|---|---|
Region | Choose the region to which the instance belongs | Yes |
Protocol Version | IPv4: The ALB instance supports only IPv4 address access from clients. | Yes |
Associated VPC | Select the VPC to which the instance belongs | Yes |
Associated Subnet | Select the subnet to which the instance belongs | Yes |
Elastic Public IP | You can choose to create an Elastic IP with the current instance, or not choose an Elastic IP, and purchase and bind the Elastic IP after creating the instance | No |
Firewall | Choose whether to bind a firewall | No |
Instance Name | Enter a custom instance name | Yes |
Business Group | Select the business group to which the ALB belongs | No |
Payment Information | Select the payment method, check product billing for details | Yes |
- Click Buy Now and follow the console prompts to complete the creation of the instance.
- Return to the Instance List page, select the corresponding region to see the newly created instance.
Modify Instance Name and Remarks
Modifying the instance name can help you better manage your instances;
- Log in to the Application Load Balancer ALB console.
- At the top menu bar, select the region where the instance belongs.
- On the list of instances, choose the instance to be modified, move the cursor to the instance’s name, and click on the editing icon that pops up;
- In the pop-up dialog box, modify the resource name and remarks, then click OK.
Bind Elastic IP
Binding Elastic IP adds more public EIP to your ALB instance.
- Log in to the Application Load Balancer ALB console.
- At the top menu bar, select the region where the instance belongs.
- On the ALB Instance page, find the target instance, and then in the Operation column select Bind Elastic IP.
- In the Bind Elastic IP dialog box, choose the EIP to be bound, then click OK.
Changing Business Group
A business group can help you classify your load balancer instances, such as by business, use, etc.
- Log in to the Application Load Balancer ALB console.
- At the top menu bar, select the region where the instance belongs.
- On the ALB Instance page, find the target instance, and then in the Operation column select Change Business Group.
- In the Change Business Group dialog box, select the target business group, then click OK.
- A load balancer instance can only be bound to one business group.
Delete Instance
You can delete any load balancer instances you no longer need, to avoid incurring bills;
- Log in to the Application Load Balancer ALB console.
- At the top menu bar, select the region where the instance belongs.
- On the ALB Instance page, find the target instance, and then in the Operation column select Delete.
- In the Delete Instance dialog, click OK.