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planes on routers

Hi all, i went on a course last year , i remember saying there were 2 planbes in a router or l3 switch, the routing plane and the switching plane, is this right ?

1 REPLY

Re: planes on routers

Hi,

The exact architecture varies between switches but there's an excellent white paper showing the 6500 architecture here:

http://www.cisco.com/en/US/products/hw/switches/ps708/products_white_paper0900aecd80673385.shtml

The terms "routing plane" and "switching plane" are technically the "control plane" and "data plane" in this doc. Control plane functions refer to processes that are run in software, whereas data plane functions refer to processes that are run in hardware.

HTH

Andrew.

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