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paragraph: Learn how to configure network settings for virtual machines on various operating systems, including Ubuntu, Debian, CentOS, and Windows Server.
-A generated[virtual MAC address](/dedibox-ip-failover/concepts/#virtual-mac-address)
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Find below examples of network interface configurations on different distributions inside a virtual machine:
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## Ubuntu
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Since the release of version 18.04 (Bionic Beaver), Ubuntu has used Netplan for configuring network interfaces. For older releases, refer to the Debian configuration.
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1. Log into your virtual machine and open the network configuration file `/etc/netplan/01-netcfg.yaml` in a text editor of your choice, for example `nano`:
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```
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1. Log into your virtual machine and open the network configuration file `/etc/netplan/01-netcfg.yaml` in a text editor of your choice:
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```sh
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sudo nano /etc/netplan/01-netcfg.yaml
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```
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2. Create a network configuration as follows. Replace `fail.over.ip.address` with your failover IP address:
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2. Create a network configuration as follows. Replace `<failover_IP>` with your failover IP address:
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```yaml
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network:
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ethernets:
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version: 2
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ethernets:
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ens18:
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addresses:
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- [ "fail.over.ip.address/32" ]
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nameservers:
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addresses: [ "51.159.47.28", "51.159.47.26" ] # Replace the IP of the DNS cache server with the one located in the same physical location as your machine for optimal performances (https://www.scaleway.com/en/docs/account/reference-content/scaleway-network-information/#dns-cache-servers)
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routes:
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- to: default
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via: 62.210.0.1
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- to: 62.210.0.1/32
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via: fail.over.ip.address
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scope: link
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version: 2
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addresses:
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- <failover_IP>/32
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nameservers:
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addresses: [ "51.159.47.28", "51.159.47.26" ]
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routes:
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- to: default
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via: 62.210.0.1
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- to: 62.210.0.1/32
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via: <failover_IP>
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scope: link
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```
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3. Save the file and exit the text editor.
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4. Apply the new configuration:
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```
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```sh
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sudo netplan apply
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```
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## Debian
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1. Log into the virtual machine and edit the file `/etc/network/interfaces` with a text editor of your choice, for example, `nano`:
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```
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1. Log into the virtual machine and edit the network configuration file:
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```sh
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sudo nano /etc/network/interfaces
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```
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2. Configure the network interface as follows. Replace `fail.over.ip.address` with your failover IP address:
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```
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2. Configure the network interface as follows. Replace `<failover_IP>` with your failover IP address:
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```ini
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auto eth0
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iface eth0 inet static
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address fail.over.ip.address
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iface eth0 inet static
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address <failover_IP>
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netmask 255.255.255.255
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pointopoint 62.210.0.1
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gateway 62.210.0.1
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```
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3. Save the file and exit the text editor.
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4. Set the DNS server information by editing the file `/etc/resolv.conf`:
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```
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4. Set the DNS server information:
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```sh
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sudo nano /etc/resolv.conf
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```
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5.Set the DNS resolver by adding the following lines to the file. Then save it and exit the text editor:
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```
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5.Add the following DNS resolvers:
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```ini
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nameserver 51.159.47.28
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nameserver 51.159.47.26
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```
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<Messagetype="tip">
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Replace the IP of the DNS cache server with the one located in the same physical location as your machine for optimal performance. [Check the IPs for each data center](/account/reference-content/scaleway-network-information/#dns-cache-servers)
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</Message>
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6. Activate the network on your virtual machine by running:
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```
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6. Activate the network on your virtual machine:
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```sh
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sudo ifup eth0
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```
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*Alternatively, you can restart networking with:*
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```sh
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sudo systemctl restart networking
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```
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## CentOS
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1. Log into the virtual machine and edit the file `/etc/sysconfig/network-scripts/ifcfg-eth0` with a text editor of your choice, for example, `nano`:
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```
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1. Log into the virtual machine and edit the network configuration file:
2. Configure the network interface as follows. Replace `fail.over.ip.address` with your failover IP address and `virtual:mac:address` with the virtual MAC of the VM:
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```
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2. Configure the network interface as follows. Replace `<failover_IP>` with your failover IP address and `<virtual_MAC>` with the virtual MAC of the VM:
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```ini
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DEVICE=eth0
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BOOTPROTO=none
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ONBOOT=yes
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PEERDNS=yes
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TYPE=Ethernet
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NETMASK=255.255.255.255
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IPADDR=fail.over.ip.address
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IPADDR=<failover_IP>
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GATEWAY=62.210.0.1
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DNS1=51.159.47.28 # Replace the IP of the DNS cache server with the one located in the same physical location as your machine for optimal performances (https://www.scaleway.com/en/docs/account/reference-content/scaleway-network-information/#dns-cache-servers)
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DNS1=51.159.47.28
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DNS2=51.159.47.26
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ARP=yes
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HWADDR=virtual:mac:address
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HWADDR=<virtual_MAC>
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```
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3. Save the file and close the text editor.
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4. Edit the file `/etc/sysconfig/network-scripts/route-eth0` as follows, then save and exit the text editor:
5.Run the following command to bring the network interface up:
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```
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5.Activate the network interface:
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```sh
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sudo ifup eth0
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```
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## Windows Server
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1. Connect to the desktop of your VM in the virtual console, then open the network settings of your server.
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2. Enter the following information in the network adapter configuration:
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* Address: failover IP
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* Subnetmask: `255.255.255.255`
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* Gateway: `62.210.0.1`
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* DNS 1: `51.159.47.28`
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* DNS 2: `51.159.47.26`
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<Messagetype="tip">
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Replace the IP of the DNS cache server with the one located in the same physical location as your machine for optimal performance. [Check the IPs for each data center](/account/reference-content/scaleway-network-information/#dns-cache-servers)
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</Message>
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1. Open the network settings on your VM by navigating to:
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```
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Control Panel → Network & Internet → Change Adapter Options
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```
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2. Select your network adapter and enter the following details:
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-**IP Address**: `<failover_IP>`
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-**Subnet Mask**: `255.255.255.255`
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-**Gateway**: `62.210.0.1`
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-**DNS 1**: `51.159.47.28`
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-**DNS 2**: `51.159.47.26`
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<Messagetype="tip">
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Replace the IP of the DNS cache server with the one located in the same physical location as your machine for optimal performance. [Check the IPs for each data center](/account/reference-content/scaleway-network-information/#dns-cache-servers)
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