[c-nsp] Cisco Layer 3 Switch Recommendation

Gert Doering gert at greenie.muc.de
Thu Nov 11 17:08:33 EST 2004


Hi,

On Thu, Nov 11, 2004 at 01:35:22PM -0800, Randy Bush wrote:
> ok, i gotta ask.  'switches' do layers 3 & 4 (bgp, ...).  'routers
> do layer 2 (atm, atmv2, ...).  so what is the technical difference
> between a router and a switch?

A switch is much faster!!!1!!

Seriously speaking, the terminology has been confused beyond any repair.

I tend to call things "switch" when they do L2 things, and "routers"
when they do L3 things.  

"L3 switches" are "hardware thingies that are not very good at L3 things 
(but fast)"...

gert
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Gert Doering - Munich, Germany                             gert at greenie.muc.de
fax: +49-89-35655025                        gert at net.informatik.tu-muenchen.de


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