A virtual LAN (VLAN) is a partitioned and isolated domain in a computer network at the data link layer (OSI layer 2). Click here for more information on VLANs. TrueNAS uses vlan(4) to manage VLANs.
Before you begin, make sure you have an Ethernet card connected to a switch port and already configured for your VLAN. Also that you have preconfigured the VLAN tag in the switched network.
To set up a VLAN interface, go to Network, click Add on the Interfaces widget to open the Add Interface screen, then:
Follow these best practices for a stable and performant network. These generally apply to either TrueNAS CORE or TrueNAS SCALE, unless specified, but each software might place the related options in slightly different web interface locations.
iXsystems welcomes contributions from members of the TrueNAS community!
Use the Feedback button on the right side or click Edit Page at the top right of this page to suggest your own networking tips and tricks.
Disruptive Change
It is possible to make changes to the network interface that the web interface uses. But this can result in losing connection to the TrueNAS system! Very often fixing misconfigured network settings requires command line knowledge. Physical access to the system is often required as well.
Multiple interfaces connected to a single TrueNAS system cannot be members of the same subnet.
You can combine multiple interfaces with link aggregation (LAGG) or a network bridge.
Use the Network Static Routes screen to define static routes on your TrueNAS. By default, no static routes are defined on a default TrueNAS system.
Use the blue Columns button to display options to change the information displayed in the Static Routes table. Options are Unselect All, Gateway, Description or Reset to Defaults.
Use Add to dispay the Static Routes Add screen.
Static Route Add Screen Setting Description Destination Enter the desination IP using the format A.
This article describes setting up a network interface with a static IP address or changing the main interface from a DHCP-assigned to a manually-entered static IP address. You must know the DNS name server and default gateway addresses for your IP address.
Disruptive Change!
You can lose your TrueNAS connection if you change the network interface that the web interface uses!
Command line knowledge and physical access to the TrueNAS system are often required to fix misconfigured network settings.
Use the Network > IPMI screen to configure the TrueNAS for an IPMI connection. The IPMI configuration screen provides a shortcut to the most basic IPMI configuration.
Setting Description TrueNAS Controller Select a TrueNAS controller from the dropdown list. All IPMI changes are applied to that TrueNAS controller. Channel Select the communications channel to use from the dropdown list. Available channel numbers vary by hardware. Password Enter a password for connecting to the IPMI interface from a web browser.
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