Relational Database ServiceRelational Database Service

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Updated at: Apr 02, 2022 GMT+08:00

Binding and Unbinding an EIP

Scenarios

You can bind an EIP to a DB instance for public accessibility, and you can unbind the EIP from the DB instance later if needed.

To ensure that the DB instance is accessible, the security group associated with the instance must allow access over the database port. For example, if the database port is 5432, ensure that the security group allows access over the 5432 port.

Prerequisites

  • You can bind an EIP to a primary DB instance or a read replica only.
  • If a DB instance has already been bound with an EIP, you must unbind the EIP from the DB instance first before binding a new EIP to it.

Binding an EIP

  1. Log in to the management console.
  2. Click in the upper left corner and select a region and a project.
  3. Click in the upper left corner of the page and choose Database > Relational Database Service. The RDS console is displayed.
  4. On the Instance Management page, click the target DB instance.
  5. In the navigation pane on the left, choose Connection Management. In the Connection Information area, click Bind next to the EIP field.
  6. In the displayed dialog box, all unbound EIPs are listed. Select the EIP to be bound and click OK. If no available EIPs are displayed, click View EIP and obtain an EIP.
  7. On the Connection Management page, view the EIP that has been bound to the DB instance.

    You can also view the progress and result of binding an EIP to a DB instance on the Task Center page.

    To unbind the EIP from the DB instance, see Unbinding an EIP.

Unbinding an EIP

  1. Log in to the management console.
  2. Click in the upper left corner and select a region and a project.
  3. Click in the upper left corner of the page and choose Database > Relational Database Service. The RDS console is displayed.
  4. On the Instance Management page, click the DB instance that has an EIP bound.
  5. In the navigation pane on the left, choose Connection Management. In the Connection Information area, click Unbind next to the EIP field. In the displayed dialog box, click Yes.
  6. If you have enabled operation protection, click Send Code in the displayed Identity Verification dialog box and enter the obtained verification code. Then, click OK.

    Two-factor authentication improves the security of your account and cloud product. For details about how to enable operation protection, see the Identity and Access Management User Guide.

  7. On the Connection Management page, view the results.

    You can also view the progress or the results of unbinding an EIP from a DB instance on the Task Center page.

    To bind an EIP to the DB instance again, see Binding an EIP.

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