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

1. Log in to the management console.
2. On the console homepage, under Network, click Elastic IP.
3. On the displayed page, locate the row that contains the target EIP, and click Unbind.
4. Click Yes.

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

1. Log in to the management console.
2. On the console homepage, under Network, click Elastic IP.
3. On the displayed page, click Assign EIP.
4. Set the parameters as prompted.
5. Click Next.

1. Log in to the management console.
2. On the console homepage, under Network, click Elastic IP.
3. On the EIPs page, locate the row that contains the target EIP, and click Bind.
4. Select the desired ECS.
5. Click OK.

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

1. Log in to the management console.
2. On the console homepage, under Network, click Elastic IP.
3. In the EIP list, locate the row that contains the EIP, and choose More > Release in the Operation column.
4. Click Yes.

1. Log in to the management console.
2. Click Service List. Under Networking, click Elastic Load Balance.
3. In the load balancer list, locate the target load balancer and choose More > Unbind EIP in the Operation column.
4. Click Yes.

1. Log in to the management console.
2. Click Service List. Under Networking, click Elastic Load Balance.
3. In the load balancer list, locate the target load balancer and choose More > Bind EIP in the Operation column.
4. In the Bind EIP dialog box, select the EIP to be bound and click OK.

For details, see section "Modifying an SNAT Rule" of a public NAT gateway in NAT Gateway User Guide. In the EIP list, select the new EIP and deselect the existing EIP.

For details, see section "Modifying a DNAT Rule" of a public NAT gateway in the NAT Gateway User Guide.