Important notice – Jump directly to more recent Ubiquiti and management VLAN blog post. This post is now somewhat obsolete as you don’t need to perform steps described here because there is an option to set management VLAN using simple configuration mode.

First step

Login to device as an administrator user.

Second step

Select Network tab.

Third step

Change Configuration mode from Simple to Advanced.

Click Change button.

Fourth step

Add desired VLAN to LAN and WLAN interfaces.

Click Change button.

Fifth step

Create new bridge and add earlier defined VLAN interfaces to it.

Click Change button.

Sixth step

Change Management Interface to earlier created bridge and adjust network settings.

Click Change button.

Seventh step

Apply or test changes on the top of the page.