In the version of the BCMSN course I took Cisco state that the
emerging campus network has moved away from the 80% local, 20%
cross networks model to the 20% local 80% on other networks.
As Chuck commented Cisco expect you to give the Cisco-approved
answer. Having said that your test will be multiple choice so I
wouldn't lose too much sleep on this. It is like the question
asking what routing protocol is suitable for a 'medium sized'
network. I think that it's absolute nonsense on its own but the
principles are sound.
-Jim
""Chuck Larrieu"" wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> is that 80 local 20 non-local? with Cisco revising the number
to 70 local
> and 30 non-local?
>
> I refer to Priscilla Oppenheimer's Top Down Network Design (
don't argue
> design without it :-> ) pp 20-21, the CID book written by
Robert Padjen, pp
> 26-27, and Howard Berkowitz's Designing routing and Switching
Architecture
> wow! ), pages 35 and 575.
>
> Yes by all means learn the Cisco answer for the tests. Just
remember that
> Cisco tests in certain respects are not particularly
reflective of the real
> world, as at least three eminent real world experts indicate.
>
> Chuck
>
>
>
> -----Original Message-----
> From: Albert Y. Pak [mailto:[EMAIL PROTECTED]]
> Sent: Monday, August 13, 2001 9:03 PM
> To: Chuck Larrieu; [EMAIL PROTECTED]
> Subject: RE: ccna question [7:15958]
>
>
> The current theory is 80/20. However, to pass CCNA exam, the
answer is
> 70/30. ;-)
> HTH
> Albert
>
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On
Behalf Of
> Chuck Larrieu
> Sent: Monday, August 13, 2001 11:31 PM
> To: [EMAIL PROTECTED]
> Subject: RE: ccna question [7:15958]
>
>
> much as I hate to pass this one, because every response will
hit the
> moderator's queue (braindump is a forbidden word), I thought
this an honest
> question and that you were entitled to an answer.
>
> 80/20 or 70/30 what?
>
> are you referring to the old "80 percent of your LAN traffic
should be
> local, and 20 percent should be non-local" rule of good
design?
>
> I haven't seen the recent Cisco study materials, but from
other reading, I
> believe that current theory is that you can't go by this rule
any longer.
> Internet access, shared services, centralized server farms,
intranets, all
> have kinda blown all this local traffic versus non-local
traffic percentages
> by the wayside.
>
> to transform a phrase of Brian Eno's - the one Scott McNealy
probably stole.
> I know I sure did - the world is now the LAN.
>
> Chuck
>
> Eno: the recording studio is my synthesizer ( circa 1980 )
> McNealy: the network is the computer ( circa 1996 )
> Me: the telco network is the central office ( circa 1990 )
>
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On
Behalf Of
> Manjunath Shivaramaiah
> Sent: Monday, August 13, 2001 7:46 PM
> To: [EMAIL PROTECTED]
> Subject: ccna question [7:15958]
>
>
> hi
> i have a doubt regarding lan design in cisco....It is 80/20
or70/30 ......in
> braindumps and 604-407 books it says it is 70/30...pl help me
in this
> regard...
> I'm taking ccna exam shortly
>
> thanks
>
> manjunath.s
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