This document explains how to quickly diagnose whether the health check source IP of CLB instances under an account is using the 100.64.0.0/10 IP range. With this self-help tool, you can also easily switch the health check source IP from the CLB VIP to the 100.64.0.0/10 IP range with a single click.
Use Cases
Diagnose the health check source IP to quickly determine whether the health check source IP of CLB instances under an account is using the 100.64.0.0/10 IP range and support one-click switching.
Note:
It is recommended to first select 1-2 instances for diagnosis and switching to verify functionality before proceeding with batch operations.
2. In the left sidebar, select Self-Help Assistant > Health Check Source IP Diagnosis.
3. Select a region at the top of the page, and click Start Diagnosis.
4. On the Health Check Source IP Diagnosis page, select the target instance and click Start Diagnosis.
5. Upon completion of the diagnosis, the results will be displayed.
If the target instance does not use the CLB VIP as the health check source IP, it will be displayed as shown in the following image.
If the target instance uses the CLB VIP as the health check source IP, it will be displayed as shown in the image below. At this point, clicking One-Click Switch will quickly complete the process of changing the health check source IP from the CLB VIP to the 100.64.0.0/10 IP range.
Other operations
Diagnosis Report Status Description
Status information
Description
Normal - No switching required
In this diagnosis, none of the CLB instances have their health check source IP set as the virtual service address (VIP) of the instance.
Normal - Switch completed
In this diagnosis, some CLB instances have their health check source IP set as the instance's virtual service address (VIP), and the operation to switch the health check source IP to the 100.64.0.0/10 IP range has been completed.
Alert - Not switched
In this diagnosis, some CLB instances have their health check source IP set as the instance's virtual service address (VIP) and have not yet switched. It is recommended to take action promptly.
