D200: LTE Failover

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This article describes the function of LTE failover on the Datto Networking D200.

Environment

  • D200

Description

The D200 is designed to deliver uninterrupted network connectivity to the outside world, by failing over to an LTE-enabled cellular carrier, in the event that it loses connection to your ISP.

The appliance will automatically fail over to the cellular network if it detects no connectivity of any kind over its WAN port. The carrier it fails over to varies depending on region. See our D200: Hardware And Feature Specifications article for more information about service provider regions and availability.

All devices dependent on an Internet connection will continue to function as normal, or as designated by your failover plan. You may notice a marginal decrease in connection speed due to the limitations of cellular bandwidth.

When the D200 detects restored connectivity on its WAN port, it will exit cellular failover and resume normal operation. You will not need to manually reset the connection.

Failover Modes

Device administrators can select a failover plan at the time of their D200's purchase. Two types of plans are available. The type of plan linked to your device will determine the level of functionality it retains during failover.

If you have BCDR appliances on your network, make sure that the D200's configuration meets the SIRIS, ALTO, and DNAS Bandwidth & Networking Requirements to ensure their uninterrupted functionality.

Standard Failover

Regular failover allows all traffic routed through the D200 to pass to and from the Internet. Your network will continue to function as it normally does.

Management-Only Failover

This mode allows you to continue to manage your D200, Datto Access Points, switches, and BCDR appliances while the D200 is in failover. No other traffic will pass between your network and the Internet.


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