ctVlanPortIngressFiltering 1.3.6.1.4.1.52.4.1.2.16.3.1.1.6

A set of enable(1) causes the forwarding process to discard any frame received on the port, specified by ctVlanPortNum, that is not a member of the classified VLANs' egress list, as specified bt ctVlanEgressList. VLAN classification may be accomplished via the PVID, as specified by ctVlanPortVID, for untagged frames, or the VLAN Id specified in the VLAN tag for tagged packets. A set of disable(2) causes the port to submit all frames to the forwarding process that have not already been discarded by ctVlanPortDiscardFrame.