# Basic Topology for Commvault Flex Appliance

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.

Note

- Basic topology is the easiest option to setup and deploy. However, this setup does not provide network redundancy, and is recommended only for non-production use, or if you do not have the required port availability for redundant connections.

- The storage pool network is optional during Commvault Flex Appliance installation. Storage pool IP addresses on different nodes can be configured on different subnets. This provides greater flexibility in network design for Commvault Flex Appliance deployments. There are no hard validation checks or installation failures if storage pool IPs are on different subnets.

## 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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