Custom (per-port) Cos To Traffic-Class Qos Map on DCS-7280R3, DCS7800R3, DCS-7500R3 .This feature allows the user to define a custom COS-To-TC map and apply to an interface. The custom COS-To-TC map would only be applicable when the interface is in CoS trust mode.

PFC (Priority based Flow Control) is a flow control mechanism used in RDMA environments. PFC provides a link level