>Happy World wrote: >> >> Dear All, >> >> I read a lot of router/switch specifications and always find >> the above terminology. Can anyone explain the difference >> between them? >> >> Switching Capacity talking about Layer2 performance and >> Forwarding Rate is above Layer3??? > >Switches, routers, L3 swithces, and L2 routers, also forward frames. Switch, >when used as a verb, is just another word for forward. Switching happens on >train tracks, in electrical circuits, and in networking devices when >bits/frames/packets come in one interface and go out another. > >Switching capacity and forwarding rate probably refer to the same thing >essentially, though we do tend more often to use the word switch when >talking L2 and forwarding when talking L3, but no, I take that back, that's >not really true when we talk aobut L3 switches.
But...no one has brought up content switches yet. :-) > >Bottom line, we would need the context of the specifications you refer to, >in order to help you. > >For more background info, I refer you to Merriam Webster's definition of a >switch: > >Main Entry: 1switch >Pronunciation: 'swich >Function: noun >Etymology: perhaps from Middle Dutch swijch twig >Date: 1592 >1 : a slender flexible whip, rod, or twig >2 : an act of switching : as a : a blow with a switch b : a shift from one >to another c : a change from the usual >3 : a tuft of long hairs at the end of the tail of an animal (as a cow) -- >see COW illustration >4 a : a device made usually of two movable rails and necessary connections >and designed to turn a locomotive or train from one track to another b : a >railroad siding >5 : a device for making, breaking, or changing the connections in an >electrical circuit >6 : a heavy strand of hair used in addition to a person's own hair for some >coiffures > >If anyone else brings up L3 switch versus router, they should have the first >definition applied to them. Or perhaps, a whipping with the 6th defintion, >if they're nice. Full agreement. Or perhaps they are a Dilbertian cow-orker meeting #3. Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=63188&t=63134 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
