# Configure networking

Before you start deploying the Object Storage service in your OpenStack environment, configure networking for two additional storage nodes.

## First node

### Configure network interfaces

- Configure the management interface:

  - IP address: `10.0.0.51`

  - Network mask: `255.255.255.0` (or `/24`)

  - Default gateway: `10.0.0.1`

### Configure name resolution

1. Set the hostname of the node to `object1`.

2. Edit the `/etc/hosts` file to contain the following:

       # controller
       10.0.0.11       controller

       # compute1
       10.0.0.31       compute1

       # block1
       10.0.0.41       block1

       # object1
       10.0.0.51       object1

       # object2
       10.0.0.52       object2

3. Reboot the system to activate the changes.

## Second node

### Configure network interfaces

- Configure the management interface:

  - IP address: `10.0.0.52`

  - Network mask: `255.255.255.0` (or `/24`)

  - Default gateway: `10.0.0.1`

### Configure name resolution

1. Set the hostname of the node to `object2`.

2. Edit the `/etc/hosts` file to contain the following:

       # controller
       10.0.0.11       controller

       # compute1
       10.0.0.31       compute1

       # block1
       10.0.0.41       block1

       # object1
       10.0.0.51       object1

       # object2
       10.0.0.52       object2

3. Reboot the system to activate the changes.

Warning

Some distributions add an extraneous entry in the `/etc/hosts` file that resolves the actual hostname to another loopback IP address such as `127.0.1.1`. You must comment out or remove this entry to prevent name resolution problems. Do not remove the 127.0.0.1 entry.

Note

To reduce complexity of this guide, we add host entries for optional services regardless of whether you choose to deploy them.

this page last updated: 2025-11-03 12:55:44

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