From: Ty (tycampbell@comcast.net)
Date: Wed Jun 16 2004 - 07:26:14 GMT-3
Thanks Marvin!
----- Original Message -----
From: "Marvin Greenlee" <marvingreenlee@yahoo.com>
To: "Ty" <tycampbell@comcast.net>
Cc: <ccielab@groupstudy.com>
Sent: Tuesday, June 15, 2004 9:58 PM
Subject: Re: eigrp variance
> Divide the larger metric path by the smaller metric
> path.
>
>
>
> The variance command is related to the eigrp metric
> calculation.
>
> "...If k5 equals 0, the composite IGRP or EIGRP metric
> is computed according to the following formula:
>
> metric = [k1 * bandwidth + (k2 * bandwidth)/(256 -
> load) + k3 * delay]
>
> If k5 does not equal zero, an additional operation is
> performed:
>
> metric = metric * [k5/(reliability + k4)]
>
> Bandwidth is inverse minimum bandwidth of the path in
> BPS scaled by a factor of 2.56*1012. The range is from
> a 1200-bps line to 10 terabits per second. ..."
>
> The variance command is a multiplier for what you
> consider a valid path for load balancing. If your
> metric were 3, you would be saying that the router can
> load balance any paths with a metric that is up to 3
> times the metric of the path with the lowest metric.
>
>
> Marvin Greenlee
> Network Learning, Inc.
> marvin@ccbootcamp.com
>
>
>
> --- Ty <tycampbell@comcast.net> wrote:
> > what is the formula for configuring variance for
> > eigrp ?
> >
> > Thanks!
> >
> >
>
>
>
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