src Receive Port

1.3.6.1.4.1.50.2.3.1.2

The port from which a frame must be received in order for this entry's filtering information to apply. The value of this object is either zero, or it indicates the port for which the ifIndex object, defined in [4,6], of the corresponding interface has the same value. A value of zero indicates that this entry applies on all ports of the bridge.