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How to create an IPv6 subnet

Reviewed on 07 February 2024Published on 03 August 2021

You can split your IPv6 prefix into several subnets and use them on your Dedibox servers both in Paris and Amsterdam. Each subnet has its own DUID and can be configured individually.

  • You can create as many /56 subnets as you have servers.
  • You can create as many /64 subnets as you have failover IPs.

Before you start

To complete the actions presented below, you must have:

  • A Dedibox account logged into the console
  • A Dedibox dedicated server
  • Requested a /48 IPv6 prefix
  1. Click Server > Network configuration in the Dedibox console. The network configuration pages displays. Scroll down to the IPv6 network configuration section.

  2. Click the settings icon (cogwheel) next to your /48 prefix. Then click Create subnet.

  3. Select the subnet you want to create from the drop-down list. Then click Create subnet.

    The subnet is created and visible in the list of your IPv6 subnets along with its DUID.


To create /64 networks for virtual machines, repeat the steps above by clicking on the “cogweel” icon next to the /56 subnet.

See also
How to request an IPv6 prefixHow to enable IPv6 SLAAC
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