From: ALL From_NJ (all.from.nj@gmail.com)
Date: Thu Mar 05 2009 - 03:16:24 ARST
Not sure exactly how to help ... perhaps simply asking questions as you have
below is the best.
Here are some config examples which explain the problem, and how these
commands address these (watch the word wrap):
http://www.cisco.com/en/US/tech/tk389/tk621/tech_configuration_examples_list.html
Do you have some equipment? If so, and if you are having trouble 'getting'
this, then I might suggest to configure 3 switches, each with several links
between them. You can actually work through the docs referenced above if
you like, they are (for the most part) pretty helpful in showing how and why
the suggested configs work and fix the problem.
When learning this via the videos, were you able to grasp all that a bpdu
does through the network? What type of information is carried in these
packets, and why? How does configuring these commands take advantage of
this information? The information is there ... but you are telling the
switch to be 'proactive' ...
Not sure if this helps ... sorry if it does not. I might suggest to look at
this from a 'ground up approach' and start with bpdus.
HTH,
Andrew Lee Lissitz
On Wed, Mar 4, 2009 at 11:09 PM, Hotmail <hussamkibbi@hotmail.com> wrote:
> Hi Experts,
>
> After reading Cisco docs and passing through videos of internetexpert for
> STP, I still have some misleading concept about some parts.
>
> - Main one is the failure process: Direct - Indirect failures and how they
> relate to max-age table and MAC address age table? many scenario's makes me
> lost!
> - Enhancements in Cisco: Backbone fast (which relate to indirect failure)
> and uplink fast: I think I understand it but then I get lost!
>
> Hope you can guide me through a clear way of understanding the failure
> process as I passed through the docs/video several times and still not
> grasping it very well.
>
> Thanks,
>
> Hussam
>
>
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>
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-- Andrew Lee Lissitz all.from.nj@gmail.comBlogs and organic groups at http://www.ccie.net
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