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 > > Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=62202&t=62166 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
