VLAN

Last modified: 2026-04-20

About VLAN and the bluelog

Certain setups, such as control cabinets, require distinct communication networks for grid operators, devices, and the internet/WAN (wide area network). The VLAN feature addresses this requirement. The feature uses virtual networks (VLANs) via a managed switch, typically located within the control cabinet.

• The bluelog functions as a network bridge and uses VLANs to define routes for the networks.

• The bluelog has two Ethernet ports. If a physical network segmentation is required for more ports, this can be handled by a managed switch where multiple VLANs are configured.

• It is essential to match the bluelog's VLAN configurations with those on the managed switch.

• This configuration can also extend to the firewall settings.

The graphic below shows how VLAN can be used to provide separate communication networks: the WAN (internet), the grid operator (compliant with IEC 61850), and the devices (control and monitoring)

Set up a VLAN

Steps

1. Go to Settings > VLAN.

2. Select the Plus to add a new VLAN.

3. Fill in the mandatory fields:

   • VLAN ID (range 1-4094)

   • IP address

   • Subnet mask

4. Optional: Fill in if needed:

   • Default gateway

   • Primary DNS server

   • Secondary DNS server

   • Modify the MTU (Default: 1500). 

5. Select the Disk icon to save. 

6. If all settings are correct, a virtual LAN interface matching the VLAN settings will be created. All configured VLANs will be displayed in the list.

7. Optional: Adjust firewall settings if required.

Further actions

• Edit or Delete a VLAN: Select the options next to the VLAN name in the list.

• For bulk actions, select multiple VLANs by ticking their checkboxes, or tick the checkbox in the table header to select all.

• Use the Save, Cancel, and Delete buttons next to each VLAN to apply changes. These actions only affect the specific row where they are selected.