stpxBackboneFastInInferiorBPDUs 1.3.6.1.4.1.9.9.82.1.4.2

The number of inferior BPDUs received by the switch since the stpxBackboneFastOperEnabled has become true(1). If the value of stpxBackboneFastOperEnabled is false(2), then this mib object will have a value of 0.