The value of tmnxVdoIfIngressMacFilterId specifies the row index in
the TIMETRA-FILTER-MIB::tMacFilterTable corresponding to this ingress
filter. Filters control the forwarding and dropping of packets based
on IP criteria. A value of zero (0) indicates that there is no
mac-filter-id associated with this interface.
The value of this object can be set only when the value of
tmnxVdoIfVdoGrpId has been set to a value other than '0'.