Monday, October 24, 2011

EIGRP K-Values

Hello All,

I have been searching around for relationship of K - Values with Composite metric components.

K Values are just numeric values which have no relationship with bandwidth, load, delay, reliability and MTU.

Do not mess-up with what is available on books on K-Values as they are misleading engineers.

K Values are ranged from 0 - 255 and must match between two directly connected neighbors (Segment).

To influence the segment on the network over other segment these will be added with metric weights tos command on the both sides of the segment.

EIGRP Composite metric

















































































Most of the blogs, book authors and experts are following K1 = Bandwidth, K2=Load, K3=Delay,
K4=Reliability and K5=MTU.

If this is the case,
  • Are we multiplying Bandwidth with Bandwidth? Load with Bandwidth? delay with delay? and for what reason?
  • If K1 is bandwidth, Is the bandwidth value ranged from 0-255? and other respective K values.
 The Answer is K - Values will increase the segment's metric value and influence the path selection



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