3Com 3500 - Manual (Page 287)

bridge port detail 287
txFrames Number of frames that this port transmitted to its
segment. This object counts a frame transmitted on the
interface that corresponds to this port only if the frame is
for a protocol that the local bridging function is
processing (includes bridge management frames).
txMcastFilters
(3500 and 9000 L3) Number of frames that this port discarded because of a
user-defined packet filter on its “transmit multicast” path.
txMtuExcDiscs
(3500 and 9000 L3) Number of frames that this port discarded because of
excessive size.
Field Description