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- What's New
- Function Overview
- Service Overview
- Getting Started
-
User Guide
- Elastic IP
- EIP Billing
- Shared Bandwidth
- Monitoring
- Permissions Management
- Change History
- Best Practices
-
API Reference
- Before You Start
- API Overview
- Calling APIs
- APIs
- API V3
- Native OpenStack Neutron APIs V2.0
- Application Examples
- Permissions Policies and Supported Actions
- Appendix
- Change History
- SDK Reference
-
FAQs
-
Product Consultation
- What Is a Quota?
- How Do I Assign or Retrieve a Specific EIP?
- Why Is an EIP Newly Assigned the Same as the One I Released?
- What Are the Differences Between EIP, Private IP Address, and Virtual IP Address?
- Can an EIP That Uses Dedicated Bandwidth Be Changed to Use Shared Bandwidth?
- Can I Bind an EIP to Multiple ECSs?
- What Are the Differences Between the Primary and Extension NICs of ECSs?
- What Is the EIP Assignment Policy?
- Can I Buy a Specific EIP?
- Does an EIP Change Over Time?
- How Do I Query the Region of My EIPs?
- Can a Bandwidth Be Used by Multiple Accounts?
- How Do I Unbind an EIP from an Instance and Bind a New EIP to the Instance?
- Why Can't I Find My Purchased EIP on the Management Console?
- Why My EIPs Are Frozen? How Do I Unfreeze My EIPs?
-
Billing and Payments
- How Is an EIP Billed?
- How Do I Change My EIP Billing Mode Between Pay-per-Use and Yearly/Monthly?
- How Do I Change the Billing Option of a Pay-per-Use EIP Between By Bandwidth and By Traffic?
- What Is Enhanced 95th Percentile Bandwidth Billing?
- Why Am I Still Being Billed After My EIP Has Been Unbound or Released?
- When Will I Be Billed for Reservation Price?
- EIP Binding and Unbinding
-
Bandwidth
- What Bandwidth Types Are Available?
- Is There a Limit to the Number of EIPs That Can Be Added to Each Shared Bandwidth?
- What Are the Differences Between a Dedicated Bandwidth and a Shared Bandwidth?
- What Are Inbound Bandwidth and Outbound Bandwidth?
- How Do I Know If My EIP Bandwidth Limit Has Been Exceeded?
- What Is the Relationship Between Bandwidth and Upload/Download Rate?
- What Are the Differences Between Static BGP and Dynamic BGP?
-
Connectivity
- What Are the Priorities of the Custom Route and EIP If Both Are Configured for an ECS to Enable the ECS to Access the Internet?
- Why Can't My ECS Access the Internet Even After an EIP Is Bound?
- Why Can't an EIP Be Pinged?
- How Do I Unblock an EIP?
- Why Is There Network Jitter or Packet Loss During Cross-Border Communications?
- Why Does the Download Speed of My ECS Is Slow?
- Change History
-
Product Consultation
How Do I Unbind an EIP from an Instance and Bind a New EIP to the Instance?
Scenario 1: Unbinding an EIP from an ECS and Binding a New EIP to the ECS
- Unbind an EIP.
- Log in to the management console.
- Click
in the upper left corner and select the desired region and project.
- Click
in the upper left corner and choose Networking > Elastic IP.
- On the displayed page, locate the row that contains the target EIP, and click Unbind.
- Click Yes.
- Assign an EIP.
NOTE:
If you already have an EIP that you require, skip this step.
- Log in to the management console.
- Click
in the upper left corner and choose Networking > Elastic IP.
- On the displayed page, click Buy EIP.
- Set the parameters as prompted.
- Click Next.
- Bind the new EIP to the ECS.
- Log in to the management console.
- Click
in the upper left corner and choose Networking > Elastic IP.
- On the EIPs page, locate the row that contains the target EIP, and click Bind.
- Select the desired ECS.
- Click OK.
- Release the EIP that is unbound.
NOTE:
If an unbound EIP is no longer required, you can release it.
- Log in to the management console.
- Click
in the upper left corner and choose Networking > Elastic IP.
- In the EIP list, locate the row that contains the EIP, and choose More > Release in the Operation column.
- Click Yes.
Scenario 2: Unbinding an EIP from a Load Balancer and Binding a New EIP to the Load Balancer
- Unbind an EIP.
- Log in to the management console.
- Click Service List. Under Networking, click Elastic Load Balance.
- In the load balancer list, locate the target load balancer and choose More > Unbind EIP in the Operation column.
- Click Yes.
- Assign an EIP by referring to 2.
NOTE:
If you already have an EIP that you require, skip this step.
- Bind the new EIP to the load balancer.
- Log in to the management console.
- Click Service List. Under Networking, click Elastic Load Balance.
- In the load balancer list, locate the target load balancer and choose More > Bind EIP in the Operation column.
- In the Bind EIP dialog box, select the EIP to be bound and click OK.
- Release the EIP that was replaced. For details, see 4.
NOTE:
If an unbound EIP is no longer required, you can release it.
Scenario 3: Unbinding an EIP from a NAT Gateway and Binding a New EIP to the NAT Gateway
- Assign an EIP by referring to 2.
NOTE:
If you already have an EIP that you require, skip this step.
- Modify an SNAT rule.
For details, see Modifying an SNAT Rule. In the EIP list, select the new EIP and deselect the existing EIP.
- Modify a DNAT rule.
For details, see Modifying a DNAT Rule.
- Release the EIP that was replaced. For details, see 4.
NOTE:
If an unbound EIP is no longer required, you can release it.
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