| IfIndex |
| The port number of the port for which this entry contains Transparent bridging management information. |
| MaxInfo |
| The maximum size of the INFO (non-MAC) field that this port will receive or transmit. |
| InFrames |
| The number of frames that have been received by this port from its segment. Note that a frame received on the interface corresponding to this port is only counted by this object if and only if it is for a protocol being processed by the local bridging function, including bridge management frames. |
| OutFrames |
| The number of frames that have been transmitted by this port to its segment. Note that a frame transmitted on the interface corresponding to this port is only counted by this object if and only if it is for a protocol being processed by the local bridging function, including bridge management frames. |
| InDiscards |
| Count of valid frames received which were discarded (i.e., filtered) by the forwarding process. |