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ドキュメントVirtual Private CloudOperation GuideElastic Network InterfaceBinding and Unbinding an EIP

Binding and Unbinding an EIP

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最終更新日: 2026-03-30 10:53:37
This document describes how to bind and unbind an Elastic IP (EIP) to/from an Elastic Network Interface (ENI).

Operation Steps

Binding an EIP

1. Log in to the ENI console.
2. On the ENI list page, click the ID of the instance that you want to bind to go to the details page.
3. Click the IPv4 Address Management tab to view the bound private IP addresses.
4. Locate the row of the private IP address that you want to bind and click Bind in the Public IP/EIP column.

5. In the dialog box:
If there are available EIPs, select one and click OK.
If no EIP is available, click Create an EIP at the top of the dialog box to apply for one. For details, see Applying for an EIP. After successful application, return to the dialog box, click Refresh, select the newly applied EIP, and click OK.




Unbinding an EIP

Note:
After an EIP is unbound, the corresponding IPv4 address of the ENI will no longer provide Internet access via the EIP. Before unbinding, make sure that the operation meets your business expectations.
1. Log in to the ENI console.
2. On the ENI list page, click the ID of the instance that you want to unbind to go to the details page.
3. Click the IPv4 Address Management tab to view the bound private IP addresses and EIPs.
4. Locate the row of the private IP address that you want to unbind and click Unbind in the Public IP/EIP column.



5. In the displayed dialog box, click OK.
前の記事へ: Releasing a Secondary Private IP Address次の記事へ: Applying for and Releasing an IPv6 Address

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