Marc, There are two nice whitepapers about designing switched multi-layer networks on CCO. Contain lots of networks design examples, including collapsed backbones.
Search for: Designing High-Performance Campus Intranets with Multilayer Switching Author: Geoff Haviland Gigabit Campus Network Design-Principles and Architecture Very valuable for anyone preparing for CID or switching. Eric ----- Original Message ----- From: "Marc Thach Xuan Ky" To: Sent: Thursday, March 13, 2003 10:17 PM Subject: Re: What is a distributed/collapsed backbone? [7:65225] > Thanks for all the replies, I haven't yet looked at Priscilla's Top Down > but probably will. I have found the official guides useful in the past > since they often come up with some unusual and Cisco-centric ideas, > which you need to know for the exams. > rgds > Marc > > aletoledo wrote: > > > > she was too modest to mention it, but you're best bet for a design > education > > is from Priscillas book. > > > > its well worth twice the price (twice the discounted bookpool price that > > is!! ;)). > > > > scott > > > > ""Marc Thach Xuan Ky"" wrote in message > > news:[EMAIL PROTECTED] > > > Hi all, > > > I thought I'd do 640-025 CID before it disappears, so I started reading > > > the Ciscopress book, CID exam certification guide. Now in chapter 2, > > > section "Issues facing campus LAN designers" (I'm using Safari books > > > online so I don't know the page number) it shows figs 2.4 and 2.5 > > > distributed and collapsed backbones respectively. The distributed > > > backbone shows per floor, one router and one switch, the collapsed > > > backbone shows a single router for the building fanning out to one > > > switch per floor. Fair enough I guess, but the scenario 1, Q2 in the > > > same chapter asks what backbone to use in a particular case and then > > > answers it with "distributed backbone" and a picture fig 2.8 that looks > > > rather like the collapsed backbone shown earlier. I obviously have to > > > learn Ciscospeak for the exam so can anybody tell me, which is it? > > > rgds > > > Marc Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=65977&t=65225 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
