Drop Profiles on MIC and MPC Interfaces
This topic covers the following Information
Drop Profiles on Enhanced Queuing MIC and MPC Interfaces
Enhanced queuing (EQ) interfaces on MICs and MPCs support drop profiles as follows:
Up to 255 drop profiles
Up to 128 tail-drop priorities for guaranteed low (GL) priorities
Up to 64 tail-drop priorities for guaranteed high and medium priorities
Implicit Scaling of WRED Profiles
You can oversubscribe scheduler delay buffers by configuring more delay-buffer memory than the system can support. If you oversubscribe the scheduler delay buffers for MIC and MPC interfaces, the system implicitly scales down the configured weighted random early detection (WRED) profiles so that packets are dropped more aggressively from the relatively full queues. This automatic adjustment creates buffer space for packets in the relatively empty queues and provides a sense of fairness among the delay buffers.