Indicates the parts of IEEE 802.1D and 802.1Q that are
optional on a per-port basis, that are implemented by
this device, and that are manageable through this MIB.
dot1qDot1qTagging(0), -- supports 802.1Q VLAN tagging of
-- frames and GVRP.
dot1qConfigurableAcceptableFrameTypes(1),
-- allows modified values of
-- dot1qPortAcceptableFrameTypes.
dot1qIngressFiltering(2)
-- supports the discarding of any
-- frame received on a Port whose
-- VLAN classification does not
-- include that Port in its Member
-- set.