""Larry Letterman"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > where did the other 1/3 of the speed go ? > :)
consider your relative speed running from building to building on the Cisco campus a) under current conditions, b) if there were no asphalt, but only soft mud, or c) if the Cisco campus were underwater, in which case all your running would be irrelevant anyway ;-> > > > Larry Letterman > Network Engineer > Cisco Systems > > > > The router is probably in the same rack as the switch. The > cable is probaby > > very short. The fact that electrons have to travel across > it is not a > > consideration. They travel at about 2/3 the speed of > light. > > > > Priscilla > > > > The Long and Winding Road wrote: > > > > > > wrote in message > > > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > > > > Dear All, > > > > > > > > Need your advice on the following scenario: > > > > > > > > I am using VLANs to provide the partitons for the > traffic > > > (voice and data) > > > > from various departments. In order to provide routing > between > > > various > > > > VLANs, I would need a router to do so. > > > > > > > > Please advice if there are any difference in the > > > functionalities etc. if I > > > > use > > > > > > > > 1) a L3 switch for routing between VLANs, > > > > 2) a L2 switch followed by a router for routing > between VLANs. > > > > > > > > > > 1) define "functionality" > > > > > > 2) define "difference" > > > > > > in either case, the net result is the same. for > inter-vlan > > > forwarding on the > > > same box, the integrated L3 switch will be faster > because a) > > > electrons don't > > > have to travel as far and b) the stripping and rewriting > of L2 > > > headers can > > > be more efficiently done ( if it is necessary at all ) > on the > > > integrated L3 > > > switch. > > > > > > once in a while this group has entertained the > discussion of > > > the relative > > > merits of L3 switches versus routers. it occurs to me > that at > > > the electron > > > level integrated L3 switching is indeed superior to > routing, or > > > at least > > > inter-vlan routing versus router on a stick. Howard - > care to > > > offer your > > > insight here? I'm talking about things as they happen at > the EE > > > level. > > > Router on a stick has to be "slower" and "less > efficient" than > > > integrated L3 > > > for inter-vlan routing. OTOH, I don't see any advantage > for an > > > integrated L3 > > > switch acting solely as a router, forwarding traffic > from > > > itself to another > > > router down the wire, all other things being equal. > > > > > > > > > > > > > > > > > > > Thanks in advance! > > > > > > > > Maurice > [EMAIL PROTECTED] Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=62209&t=62166 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
