This topic describes how to unbind a secondary elastic network interface (ENI) from your instance.


Before you unbind an ENI, make sure that the following requirements are met:
  • The ENI to be unbound is a secondary ENI. Primary ENIs cannot be unbound from instances.
  • The instance from which you want to unbind an ENI is in the Stopped or Running state.


  1. Log on to the ECS console.
  2. In the left-side navigation pane, choose Network & Security > ENIs.
  3. In the top navigation bar, select a region.
  4. Find the ENI that you want to unbind and click Unbind in the Actions column.
  5. In the Unbind message, confirm the information and click OK.


If the status of the ENI changes to Available after you refresh the ENI list, the ENI is unbound from the instance.

What to do next

You can perform the following operations on an available ENI: