Packet Trimming Deep Dive - Part II

Receive Interface Group (Rx IFG) Ingress Pre-Processing and Integrity The Receive Interface Group (Rx IFG) is the ingress pre-processing stage that handles the incoming Ethernet bitstream before the packet enters the Packet Processing Array (PPA) of the Receive Network Processing Unit (Rx NPU) in the Cisco Silicon One architecture. Processing begins at the Rx MAC. The Rx MAC reconstructs…