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New Member

what is cpu used for on switch

Hi all, as most switching is done using asic chips, what is the main reason for cpu on a switch ?

5 REPLIES
Super Bronze

Re: what is cpu used for on switch

"Control plane" processing.

New Member

Re: what is cpu used for on switch

can you give me an example?

how about mac learning ? is this done initially by the control plane processor ?

Super Bronze

Re: what is cpu used for on switch

An example? Sure, device processing a received broadcast packet (as a host).

New Member

Re: what is cpu used for on switch

i see, is there anything else, what about mac learning etc, is this done by asic ?

Super Bronze

Re: what is cpu used for on switch

"anthing else" - sure other control plane functions.

"mac learning", probably depends on switch architecture.

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