Hmmm, IOS imgaes that are approaching, (in some cases exceeding) 20M ;) Dave
Larry Letterman wrote: > where did the other 1/3 of the speed go ? > :) > > > 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] -- David Madland CCIE# 2016 Sr. Network Engineer Qwest Communications 612-664-3367 "You don't make the poor richer by making the rich poorer." --Winston Churchill Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=62208&t=62166 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
