Can somebody explain to me the differences/similarities between these terms?:
L3 Engine, L3 Forwarding Engine, Control Plane, Forwarding Plane, Fast Switching
OK, fair enough.
In the context of this book and this diagram, they are referring to the control plane as the L3 engine and the forwarding(data) plane as the L3 forwarding engine.
The L3 engine builds routing information that the L3 forwarding engine uses to forward data in hardware. <<--I am paraphrasing from the top of the drawing.
So, the L3 engine is the mechanism that builds the route table in software, in the control plane.
The L3 forwarding engine is the CEF table that was built from information taken from the route table and "downloaded" to an ASIC chip known as a TCAM. It operates in the data plane.
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