lp Eng Fcrc Rx Frame Memory Congestion State

This attribute indicates the congestion state of the receive frame memory for this FP. This attribute indicates which rxFrameMemoryThresholds corresponds to the current value of rxFrameMemoryUsage. The congestion state is used to determine if frames of a particular discard priority (DP) are discarded before being queued for processing on this FP. The congestion state of receive frame memory is indicated by a numeric value ranging from 3 to 0. When receive frame memory is in congestion state 'x', traffic with DP > 'x' is discarded before processing. Traffic with DP < 'x' may be queued for processing, depending on the congestion level of the processor or bus queue. Traffic with DP = 'x' may be either queued or discarded depending on how close the value of rxFrameMemoryUsage is to the next threshold as displayed in rxFrameMemoryThresholds. For example, DP=3 traffic is queued until the value indicated by rxFrameMemoryUsage equals the value indicated in rxFrameMemoryThresholds 3. At that point, DP=3 traffic is discarded.