# Basic Topology for Commvault Flex Open

Basic topology provides the minimum required connections for the data protection network.

In this topology, the node requires connections to 1 - 10 GbE port for data protection network, which transfers data to and from the clients being protected and connect to the CommServe server.

If you use external storage, you can configure the storage pool network as a dedicated network. If you use only local storage, a separate storage pool network is not required because Flex Open does not include internal storage for backup data.

## Network Requirements

The following network names and IP addresses are required for the basic topology:

| Node
--- | ---
Data Protection Fully Qualified Domain Name* |
Data Protection IP Address* |
Data Protection Netmask* |
Data Protection Gateway* |
Data Protection DNS 1* |
Data Protection DNS 2 |
Data Protection DNS 3 |
Data Protection NIC Port 1 Card 1 MAC Address |
Storage Pool IP Address* |
Storage Pool Netmask* |
Storage Pool NIC Port 2 Card 1 MAC Address |

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