# Basic Topology for Commvault Grid

Basic topology provides the minimum required connections per node for the data protection and storage pool networks.

In this topology, each node requires connections to 2 separate network as follows:

- 1 - 10 GbE port for data protection network, which transfers data to and from the clients being protected and connect to the CommServe server.

- 1 - 10 GbE port for storage pool network, which is a dedicated private network, used for communication and replication between the Commvault Grid nodes.

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.

## Network Requirements

In this topology, each node requires the following connections:

- 1 - 10 GbE port for the data protection network,which transfers data to and from the clients. This requires a corresponding IP address for the data protection network.

- 1 - 10 GbE port for the storage pool which is a dedicated private network, used for communication and replication between the Commvault Grid nodes. This requires a corresponding IP address for the storage pool network.

Note: Data protection and storage pool networks MUST be on two separate subnets.

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

| Node 1 | Node 2 | Node 3 | Node n
--- | --- | --- | --- | ---
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 |  |  |  |
Storage Pool IP Address* |  |  |  |
Storage Pool Netmask* |  |  |  |
Data Protection NIC Port 1 Card 1 MAC Address |  |  |  |
Data Protection NIC Port 1 Card 2 MAC Address |  |  |  |
Storage Pool NIC Port 2 Card 1 MAC Address |  |  |  |
Storage Pool NIC Port 2 Card 2 MAC Address |  |  |  |

* Required fields Each node should be resolvable to the CommServe server.

Note

If you have more than 3 nodes expand the columns in this table to include all the nodes that you plan to setup.

## CommServe Requirements

You will require the following information to connect to an existing CommServe server:

CommServe hostname (FQDN) | Fully qualified hostname (FQDN) associated with the existing CommServe server. Note TCP Ports 8400 & 443 must be open from the nodes to the CommServe server.
Username | Username associated with the admin user.
Password | Password for the admin user.

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