Allied Telesis AT-S81 - Manual (Page 109)

AT-S81 Management Software User’s Guide
Section I: Using the Menus Interface 109
Note
If you specify a PVID that does not correspond to any VIDs on the
switch, the management software creates a new VLAN with a VID
that equals the PVID. The VLAN is not assigned any name.
7. Repeat steps 4 through 6 to configure additional ports.