Re: EIGRP K values

Yes, the maths do not work out when you look at it that way. May be another
way to represent the formula, which may make it easier to interpret would
be:

(a) For K5>0, the formula applied by the router is:

EIGRP Metric = 256*((K1*Bw) + (K2*Bw)/(256-Load) +
(K3*Delay)*(K5/(Reliability + K4)))

(b) For K5=0, the formula applied by the router is:

 EIGRP Metric = 256*((K1*Bw) + (K2*Bw)/(256-Load) + (K3*Delay))

On 7 October 2010 07:53, Narbik Kocharians <narbikk_at_gmail.com> wrote:

> If K5 is set to zero (Which is the default), then, the last section of the
> formula (K5/(Reliability + K4) will not come into play.
>
> On Wed, Oct 6, 2010 at 9:18 PM, Piotr Malarski
> <piotr.malarski.99_at_gmail.com>wrote:
>
> > Hello,
> >
> > What should be K values so only delay is used to calculate the metric ?
> > OK, I know that the answer is 0 0 1 0 0 (K1,K2,K3,K4,K5) but this does
> > not fit the Doc CD formula:
> >
> > EIGRP Metric = 256*((K1*Bw) + (K2*Bw)/(256-Load) +
> > (K3*Delay)*(K5/(Reliability + K4)))
> >
> > If K3=1 and K4=K5=0 then the last section of the above formula equals
> > 0 and Delay will not be considered at all:
> >
> > (1*Delay)*(0/(Reliability + 0)) = (1*Delay)*0 = 0
> >
> > Actually, if K values are 00100 then the whole metric equals zero. I
> > thinks that my math is correct. Can someone please clarify ?
> >
> >
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> --
> Narbik Kocharians
> CCSI#30832, CCIE# 12410 (R&S, SP, Security)
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Received on Thu Oct 07 2010 - 09:09:58 ART