From: Carlos G Mendioroz (tron@xxxxxxxxxxx)
Date: Mon Jun 24 2002 - 13:52:56 GMT-3
Besides the devide by zero issue, changing the K4 would change de
"sensitiviness" to reliability of the said factor.
Without entering in the already much said "don't mess with this",
you can try a simple graph in excel of factor vs reliability
for different k4 values, and I think you'll get the picture.
Also, keep in mind that if you do mess with it, you'll be using
variance not to have your traffic flip-floping, so to say.
(And another also, it has been said here that even though the
manuals say this would work, IOS don't honour k2 and maybe k4/k5
any more).
Curtis Phillips wrote:
>
> It seems clear the the constant K2 directly influences inclusion of load in
> metric calculations for IGRP/EIGRP.
> I am less clear about reliability. It appears K5 either includes or negates
> reliability but what purpose does K4 provide?
>
> The last part of the equation is as follows: M = M X k5/reliability+k4
>
> My impression is that K4 would have a minimal impact and would only serve to
> prevent a divide by zero error
> int the event of reliability being 0. Anyone have any thoughts? Is it
> essential to include k4=1 to achieve inclusion of
> reliability in metric calculation?
>
> Thanks,
>
> Curtis
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