1. Go to "TCP/IP settings" → "Network interfaces".
2. Click the "Add" button.
   
3. In the "Type" field select "Tagged".
   
   
   
4. Fill in the required fields:
   1. Network label
   2. VLAN ID
   3. IP address
   4. Network mask
5. If necessary, fill in the "Gateway" field.
6. Select the services that should run on this interface.
7. Click the "Apply" button.