Allied Telesis AlliedView-EMS 3.11 VLAN MANAGER - Manual (Page 69)

AlliedView™-EMS 3.11 VLAN Manager User’s Guide Page 69 of 72
• When adding/modifying a Nested VLAN, specifying 2 or more core ports where
one of the specified ports is already a member of an existing Nested VLAN will
result in the error message: "Must return port <n> to the default VLAN as
untagged port based."
6 Device Support