Number of network planes needed to be planned during eBackup installation

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For the eBackup software to work properly and safely, the following network planes must be configured: management plane, internal communication plane, and storage plane.
To ensure network security, the three network planes (management plane, internal communication plane, and storage plane) must reside in three different network segments for isolation from each other.

Other related questions:
Management plane of the network planes for the eBackup
The management plane is divided into two sub-planes: backup management plane and production management plane. The backup management plane serves as the communication plane for eBackup to provide external services. You can use the IP address of this plane to log in to the eBackup backup management system through a maintenance terminal or a third-party system to configure and manage backup and recovery services. The production management plane serves as the communication plane between the backup server/backup proxy and the management plane at the production end.

eBackup storage plane
The storage plane is divided into two sub-planes: production storage plane and backup storage plane. The production storage plane serves as the communication plane between the backup server/backup proxy and the storage plane at the production end. The backup storage plane serves as the communication plane between the backup server/backup proxy and the backup storage.

Whether the HA needs to be configured during eBackup software installation
You can configure high availability (HA) for backup servers to enhance the reliability of backup servers. To enable eBackup to support the HA function, plan at least two eBackup servers.

Whether the DNS server needs to be configured during eBackup installation
If the management data backup storage and the FusionStorage used by the eBackup need to be accessed through domain names, you need to configure DNS server.

eBackup internal communication plane
The eBackup internal communication plane refers to the communication plane between the backup server and the backup proxy.

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