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Application Load Balancer ALBOperation GuideInstanceCreate and manage ALB instances

Create and Manage ALB Instances

ALB is a load balancing service specifically designed for Layer 7. By purchasing an ALB instance, you can distribute requests from clients to backend servers. This article describes how to create ALB instances.

Create Instances

  1. Log in to the ALB console.
  2. On the list of instances, click Create Load Balancer.
  3. On the ALB purchase page, complete the following configuration:
ConfigurationDescriptionRequired
RegionChoose the region to which the instance belongsYes
Protocol VersionIPv4: The ALB instance supports only IPv4 address access from clients.Yes
Associated VPCSelect the VPC to which the instance belongsYes
Associated SubnetSelect the subnet to which the instance belongsYes
Elastic Public IPYou 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 instanceNo
FirewallChoose whether to bind a firewallNo
Instance NameEnter a custom instance nameYes
Business GroupSelect the business group to which the ALB belongsNo
Payment InformationSelect the payment method, and check product billing for detailsYes
  1. Click Purchase Now and follow the console prompts to complete the creation of the instance.
  2. Return to the Instance List page, and select the corresponding region to see the newly created instance.

Modify Instance Names and Remarks

Modifying the instance name can help you better manage your instances.

  1. Log in to the ALB console.
  2. At the top menu bar, select the region to which the instance belongs.
  3. On the list of instances, choose the instance to be modified, move the cursor to the instance’s name, and click on the “Modify” icon that pops up.

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4. In the pop-up dialog box, modify the resource name and remarks, then click OK.

Bind Elastic IPs

Binding Elastic IPs to add more public EIPs to your ALB instance.

  1. Log in to the ALB console.
  2. At the top menu bar, select the region to which the instance belongs.
  3. On the ALB Instance page, find the target instance, and then select Bind Elastic IP in the Operation column.

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4. In the Bind Elastic IP dialog box, choose the EIP to be bound, and click Confirm.

Change Business Groups

A business group can help you classify your load balancer instances, such as by business, use, etc.

  1. Log in to the ALB console.
  2. At the top menu bar, select the region to which the instance belongs.
  3. On the ALB Instance page, find the target instance, and then select Edit UGroup in the Operation column.

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4. In the Edit UGroup dialog box, select the target business group, and then click Confirm. 5. A load balancer instance can only be bound to one business group.

Delete Instances

You can delete any load balancer instances you no longer need, to avoid extra bills.

  1. Log in to the ALB console.
  2. At the top menu bar, select the region to which the instance belongs.
  3. On the ALB Instance page, find the target instance, and then select Delete in the Operation column.

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4. In the Delete Load Balancer dialog, click Confirm.

Recycling StrategyManage Listeners