From: Manny Gonzalez (manny@xxxxxxx)
Date: Wed Jul 24 2002 - 00:19:16 GMT-3
Please do a search on the archives as this topic has been discussed here ad
nauseum. Feel free to search on EIGRP metrics.
However, a close look at the formula will reveal the answer.
Teaser: http://www.cisco.com/warp/public/103/eigrp1.html#5
But, here is what I know to be factual:
The default values for K are:
K1 = 1 - Bandwidth
K2 = 0 - Load
K3 = 1 - Delay
K4 = 0 - Reliability
K5 = 0 - TOGGLE for K4 (I think this is right :-))
The formula tells us:
metric = [K1 * bandwidth + (K2 * bandwidth) / (256 - load) + K3 * delay] * [K5
/
(reliability + K4)]
Look at the K2 value in the parenthesis. This is the LOAD calculation. So, yes,
K3 is DELAY and K1 is bandwidth which fits the usual understanding of the
metrics of EIGRP. K5 turns a toggle switch that takes K4 into account or not.
Not too positive on this one though.
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