How can I bind EIP (Elastic IP) with an ECS instance on Alibaba Cloud?

An EIP is a public IP address resource that you can purchase and hold as an independent resource. You can associate an EIP with an Elastic Compute Service (ECS) instance, an internal Server Load Balancer (SLB) instance, or a secondary Elastic Network Interface (ENI) connected to a Virtual Private Cloud (VPC) network. You can also associate an EIP with a NAT gateway, or a High-Availability Virtual IP Address (HAVIP). ECS instances that are associated with EIPs can communicate with the public network.


  1. Log on to the VPC console.
  2. In the left-side navigation pane, click Elastic IP Addresses.
  3. Select the region of the target EIP.
  4. On the Elastic IP Addresses page, find the target EIP, and then click Bind in the Actions column.
  5. On the Bind Elastic IP Address page, complete the following configurations, and then click OK.
    • Select ECS Instance for Instance Type
    • Select the ECS instance to be associated with the EIP. The ECS instance to be associated with the EIP must meet the following requirements:
      • The network type of the ECS instance must be VPC.
      • The ECS instance and the EIP must belong to the same region.
      • The ECS instance must be in the Running or Stopped state.
      • The ECS instance cannot have a public IP address or be associated with any EIP.
      • One ECS instance can be associated with only one EIP.



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