CCNP Switch (300 - 115) version 2.0: CEF

Cisco Express Forwarding (CEF) is an advanced layer 3 switching technology used mainly in large core networks or the Internet to enhance the overall network performance. Although CEF is a Cisco proprietary protocol other vendors of multi-layer switches or high-capacity routers offer a similar functionality where layer-3 switching or routing is done in hardware (in an ASIC) instead of by software and the (central) CPU

[@ranavijay25]

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[@TiNk3R2]

Very good explanation. This was very informative. Thank you so much for your work!