From: Carlos Alberto Trujillo Jimenez (carlos.trujillo.jimenez@gmail.com)
Date: Fri Mar 07 2008 - 14:25:33 ARST
What about if the question states "optimize via A SINGLE LINE COMMAND the
spanning tree timers to use the best timers according to your topology
composed of 3 switches"
2008/3/7, ccie study <cciestudy@mid-world.net>:
>
> So, the "diameter" is a macro for STP? Sounds like this could be a good
> test question. IE "change hello, forward an aging with minimum commands"..
>
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Carlos Alberto Trujillo Jimenez
> Sent: Friday, March 07, 2008 6:14 AM
> To: d a
> Cc: ccielab@groupstudy.com
> Subject: Re: STP diameter
>
> Exaclty.
> STP DIAMETER modifyes stp timers in the switch to optimize convergence
> time
> depending in the size of the SPT DOMAIN.(size of the STP DOMAIN is the
> number of hops "switches" connected one to the other).
>
> By default the STP timers in every switch are designed to operate well in
> a
> domain with 7 HOP switches. (7 hops away from the point of view of the
> root
> switch).
>
> Now for example if your domain consist of 3 switches (from the point of
> view
> of the root switch), you can modifiy the diameter to 3, to optimize the
> stp
> bpdu convergence time.
>
> By modifying the diameter, the ios automatically adjusts the hello time,
> forward delay time and aging time that best fit in a network size of 3
> switches.
>
> So the purpose of the tool is to OPTIMIZE the stp convgernece time.
>
>
> 2008/3/7, d a <dam1on@dnsl.com>:
> >
> > Hi Gang,
> >
> > I have a question regarding the STP diameter command, does it do
> > anything? like stop BPDU's or something? I've lab'd this up and it
> > doesn't appear to do anything significant (if at all).
> >
> > Mucho appreciated,
> >
> > Thanks
> >
> > D
> >
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