Help Center/ Elastic IP/ User Guide (Ally Region)/ Elastic IP/ EIP Overview
Updated on 2026-01-05 GMT+08:00
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EIP Overview

EIP

The Elastic IP (EIP) service enables your cloud resources to communicate with the Internet using static public IP addresses and scalable bandwidths. If a resource has an EIP bound, it can directly access the Internet. If a resource only has a private IP address, it cannot directly access the Internet.

EIPs can be bound to or unbound from ECSs, virtual IP addresses, NAT gateways, or load balancers.

Each EIP can be bound to only one cloud resource and both should be in the same region.

Figure 1 Connecting to the Internet using an EIP

Binding an EIP to an Instance

Figure 2 Process for binding an EIP to an instance
Table 1 Process for binding an EIP to an instance

No.

Step

Description

1

Assigning an EIP

You can assign an EIP and bind it to cloud resources to allow them to access the Internet.

2

Binding an EIP to an Instance
  • The procedure for binding an EIP varies depending on the target instance.
  • The EIP and the instance to be bound must be in the same region.
Parent topic: Elastic IP