Help Center/ Cloud Container Engine/ User Guide/ Clusters/ Upgrade Management/ Troubleshooting for Pre-upgrade Check Exceptions/ CIDR Block of the Cluster Management Plane
Updated on 2025-11-06 GMT+08:00
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CIDR Block of the Cluster Management Plane

Check Items

Check whether the CIDR block of the cluster management plane is the same as that configured on the backbone network.

Solutions

The CIDR block of the management plane has been modified in your region. As a result, the CIDR block of the management plane and that configured on the backbone network are inconsistent.

Submit a service ticket to contact technical support to modify the settings, and recheck the configurations.

Parent Topic: Troubleshooting for Pre-upgrade Check Exceptions