At 06:03 PM 2/25/2003 +0000, Ellis, Andrew wrote:
>According to Cisco:
>
>Layer 3 switching refers to a class of high-performance switch routers
>optimized for the campus LAN or intranet, providing wirespeed Ethernet
>routing and switching services.
>
>Compared to other routers, Layer 3 switch routers process more packets
>faster by using application-specific integrated circuit (ASIC) hardware
>instead of microprocessor-based engines.
>
>My own two cents: Wire speed routing if you will.

By that logic, a wire speed router is a layer three switch :-)  It's all 
marketing garbage if you ask me.   If you put a router inside a high 
performance switch, you have two devices sharing the same chassis, one 
bridging and one routing.

>Drew
>
>
>-----Original Message-----
>From: DeVoe, Charles (PKI) [mailto:[EMAIL PROTECTED]
>Sent: Tuesday, February 25, 2003 10:55 AM
>To: [EMAIL PROTECTED]
>Subject: L3 Switching Huh???? [7:63728]
>
>
>I am under the impression that switching is a layer 2 function and that
>routing is a layer 3 function.  I have seen several discussions talking
>about layer 3 switching.  Could someone explain this to me?




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