Allied Telesis AT-S63 - Manual (Page 349)

AT-S63 Management Software Web Browser Interface User’s Guide
Secton V: Virtual LANs 349
7. Click Apply.
Note
Any untagged ports that you assign to the new VLAN are
automatically removed from their current untagged VLAN
assignment.
The new user-configured VLAN is now ready for network operations.
8. From the Configuration menu, select the Save Config option to
permanently save your changes. (This option is not displayed if there
are no changes to save.)