MIB: IF-MIB
The number of outbound packets which were chosen to be discarded even though no errors had been detected to prevent their being deliverable to a higher-layer protocol. One possible reason for discarding such a packet could be to free up buffer space.
Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of `ifCounterDiscontinuityTime`.