GUI - Networking Configuration



This article describes the networking user interface and various network configuration options for ALTO and SIRIS devices.

To get to the device's Network options, go to the web interface, and click on the Configure tab. Then, click Networking, as shown in Figure 1.

Figure 1 - Configure --> Networking

Networking Status and Connectivity Status

The Networking Status and Connectivity Status provides a summary of network connections, ports, and whether they are enabled or not enabled. Refer to Device Network/Connectivity Status for more information.

Figure 2 - Networking Status

Figure 3 - Connectivity Status

IP Settings - Primary NIC

You can use any NIC on a Datto appliance as the primary NIC. This section describes settings and best-practices configuring the NIC you intend to use as the primary NIC.

Figure 4 - IP Settings for eth0

These settings can be used to reconfigure the local device's IP Address. Datto recommends that you leave the IP Mode set to DHCP. If your network requires a static IP address, you can configure one here. 

You can also enable Jumbo Frames functionality on a per-NIC basis from this page. Jumbo frames are an Ethernet frame capable of transmitting greater than the standard maximum transmission unit (MTU) of 1,500 bytes. With Jumbo Frames enabled, your Datto appliance will attempt to generate Ethernet frames with an MTU of 9,000 bytes.

  • Both the switch and the protected machine must support Jumbo Frames, and have this feature turned on. Your environment must also employ gigabit networking. Support for Jumbo Frames and their maximum transmission unit may vary from vendor to vendor.

NoteYou are unable to change network settings while DHCP is checked.

Note: By changing network settings for your primary NIC, you may accidentally close the connection to the device through the Remote Web and may require connecting a monitor, keyboard, and mouse directly to the device.

Click Apply IP Settings to apply any new settings.

IP Settings for Auxiliary NICs

This interface allows administrators to use the auxiliary NICs of a Datto device. This setting is only configured in specific scenarios. To learn more, visit Device Auxiliary NIC Settings.

Figure 5 - Auxiliary NIC interface

DNS Settings

In a domain environment, you can enter the FQDN for DNS Search Domain so that the Datto can protect machines by their host-names in the event that they have dynamic IP addresses.

Tip: Its a good idea provide at least one remote DNS server such as Google's In the event that a disaster occurs to the local DNS Server the device will be able to use the remote DNS Server to resolve so that you can perform a remote recovery.

Figure 6 - Server 1 set to local DNS & Server 2 set to Public DNS


This sets the hostname of the Datto device.

Tip: It may be useful to name the Datto device with a naming convention that helps identify the customer, company, or network that it is deployed on. This is because this Datto device's hostname appears in the Datto Partner Portal's Device List.

Figure 7 - Hostname change interface 

Windows Networking - Workgroup Mode

This optional field is where the Datto device can be joined to a domain.

Note: The option to join Datto devices to a local domain was provided specifically for deployments where the NAS feature with domain authentication credentials will be used.

Tip: Datto suggests to leave the SIRIS and ALTO devices in workgroup mode if the NAS feature is not in use. This is so that the device is not dependent on anything with the local domain during disasters.

Figure 8 - Windows Networking - Workgroup Mode interface 

Steps to join a Datto device to the local domain

  1. Enter in the local domain with domain administrator level credentials.

Note: The Optional Password Server field is for use with local RSA servers.

  1. Next, click the Join Domain button to join the Datto to the local domain.

Figure 9 - Workgroup Mode

NTP Servers

This optional setting is where you can configure NTP Servers. All Datto devices are shipped with the default value of which is sufficient in almost all scenarios.

Note: synchronizes with

Tip: If you are joining the Datto device to the local domain, we recommend that you enter in the local Domain Controller's IP addresses. This prevents Microsoft Time/Date difference errors if the Datto device's time and the Domain's time drift more than 5 minutes apart.

 Figure 10 - NTP Server interface

IPMI (SIRIS 3 only)

For SIRIS 3 devices with IPMI, you can change the device's IPMI settings through the user interface.

Figure 11 - IPMI Settings (SIRIS 3 only)

These settings allow you enable or disable IPMI, configure the IPMI network settings, and change the passwords for admin users.


In the VNC section you can change the Datto device's VNC password.

By default, the password for VNC on Datto devices is the first 8 characters of your backup-admin password.

For information on how to connect to the device via VNC, see the article How to Connect to a Datto device via VNC Locally and Remotely.

Figure 12 - VNC password interface


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