Before you enable a private endpoint for a Tair cluster instance, ensure that the vSwitch used by the instance has enough available IP addresses.
Background information
When you enable a private endpoint for a classic cluster instance, it uses one IP address for the master node of each shard and another for the private endpoint itself. If the vSwitch has fewer available IP addresses than the instance requires, you cannot enable the private endpoint. For more information, see Enable a private endpoint.
Procedure
Log on to the console and go to the Instances page. In the top navigation bar, select the region in which the instance is deployed. Then, find the instance and click its ID.
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In the Basic Information section, copy the vSwitch ID and click the VPC ID.
You are redirected to the VPC console.
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On the VPC instance details page, click the Resource Management tab, and then click the number next to vSwitch.
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In the upper-right corner of the page, select Instance ID from the filter drop-down list. Paste the copied vSwitch ID into the search box to find the vSwitch.
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The search results show the target vSwitch. You can now view its number of available IP addresses.