From: Kirk Graham (kgraham@instructors.net)
Date: Fri Nov 26 2004 - 23:28:41 GMT-3
Not quite. The K-values are called scalar metrics. They are constants that
are multiplied by other metrics to calculate the EIGRP cost.
The command to change the K-values is:
Router(config)# router eigrp 1
Router(config-router)# metric weights <tos> <k1> <k2> <k3> <k4> <k5>
The TOS should probably always be 0. The defaults for the other values are:
K1=1 K2=0 K3=1 K4=0 K5=0.
Check out your BSCI courseware (or CiscoPress book) for an explanation of
the calculation.
and read the part under the Usage Guidelines for a description of how their
used.
Basically the K-values are multiplied by the EIGRP metrics (bandwidth,
delay, reliability, load) and used to calculate the metric. Since K5=0 the
calculation reduces to BW+Delay.
In a real-world you'd never change them. If two routers differ on their
K-values then they will not accept routes from each other. Its pretty hard
to "play" with these values and keep a stable running network.
Hope this helps,
Kirk Graham
CCNP, CCSI
-pay my failed attempts and I'll try the lab. <g>
At 07:56 PM 11/26/2004, you wrote:
> Hello,
>
> Just to make sure that I understand EIGRP K values
>If I use metric weights command then ...
>
>First number is the tos value in the IP header ? Is this set to
>0 when the tos value is not set ?
>Second value is Bandwidth
>Third value is delay
>Fourth value is Load
>Fifth value is reliabillity
>What is the last value for ?
>
> Thanks,
>
> Mike F.
>
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