-    Log into Aruba Central

-    Navigate to ECC group

-    Click ‘Devices’ on the left hand navigation pane

-    Switches > ECC Workshop

-    Click ‘Device’ on the left hand navigation pane

-    Click ‘Interface’ then ‘VLANS’

-    Highlight and click the pen on the wished VLAN

-    Scroll down to ‘VLAN Port Mode’

-    Tick the port number on the switch

-    Click on the ‘Select Port Mode’ drop down and select ‘Untagged’

-    Click ‘OK’ and then on the VLANs window click Save Settings