How Do I Unbind an EIP from an Instance and Bind a New EIP to the Instance?

Scenario 1: Unbinding an EIP from an ECS and Binding a New EIP to the ECS

For details, see Assigning an EIP and Binding It to an ECS and Unbinding an EIP from an ECS and Releasing the EIP.

Scenario 2: Unbinding an EIP from a Load Balancer and Binding a New EIP to the Load Balancer

1. Unbind an EIP.
   1. Log in to the management console.
   2. Click in the upper left corner and select the desired region and project.
   3. Click Service List. Under Network, click Elastic Load Balancing.
   4. In the load balancer list, locate the target load balancer and choose More > Unbind IPv4 EIP in the Operation column.
   5. Click Yes.
2. Assign an EIP.
   

   If you already have an EIP that you require, skip this step.

   1. Log in to the management console.
   2. Click in the upper left corner and select the desired region and project.
   3. Click in the upper left corner and choose Network > Elastic IP.
   4. On the displayed page, click Assign EIP.
   5. Set the parameters as prompted.
   6. Click Create Now.
3. Bind the new EIP to the load balancer.
   1. Log in to the management console.
   2. Click in the upper left corner and select the desired region and project.
   3. Click Service List. Under Network, click Elastic Load Balancing.
   4. In the load balancer list, locate the target load balancer and choose More > Bind IPv4 EIP in the Operation column.
   5. In the Bind IPv4 EIP dialog box, select the EIP to be bound and click OK.
4. Release the EIP that is unbound.
   

   If an unbound EIP is no longer required, you can release it.

   1. Log in to the management console.
   2. Click in the upper left corner and select the desired region and project.
   3. Click in the upper left corner and choose Network > Elastic IP.
   4. In the EIP list, locate the target EIP and click Release.
   5. Click Yes.