ZeroTier
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You can find the ZeroTier Settings at **Services → ZeroTier**.

.. image:: img/Services-ZeroTier.png
    :width: 100%
    :align: center
    :alt: ZeroTier

**ZeroTier** creates secure networks between on-premise, cloud, desktop, and mobile devices.
The connection of **ZeroTier** is a spoke connection.

Please sign up for `ZeroTier <https://www.zerotier.com/>`_ first to use configure the service.

Before you can use the ZeroTier it has to be installed. You can install it at **System → Addons**.

Here you can see all ZeroTiers which have been created.

A ZeroTier can be enabled or disabled.

**Name** so you can identify it.

The **Network ID** is a 16 character long value.
You must get the network ID from your zero tier configuration.

**Allow Managed** lets a Zero Tier One Manage the IP Address assignment.
In a Bridge setup, disables this option and set IP Address on the Bridge interface manually.

Multipath
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Allows you to use more than one interface at a time in Fallback or Bonding mode.

The **Bonding Policy Port** can be either *None*, *Active Backup*, *Broadcast*, *Balance RR*, *Balance XOR* or *Balance Aware*.

Multiple **ZeroTier Links** can be added with an *Interface*.

Each Link has the following settings:

The **Speed** is how fast this link is (in arbitrary units). It's a value between 1 and 1000000.

**Allocation** is a relative value representing a desired allocation. It's a value between 1 and 255.

The **Mode** determines whether this link is used by default or only after failover events. It can be either *undefined*, *primary* or *spare*.

It is enough to set either **Speed** or **Allocation** in order to distribute the traffic between the links.