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EIGRP K Values

Hasho
Level 1
Level 1

If under the EIGRP process i configure "metric weight 0 2 0 1 0 0" will this double the lowest bandwidth along the path to the destination? Lets say the lowest bandwidth along the path to the destination is 64K, will this make it 128K?

1 Accepted Solution

Accepted Solutions

Martin L
VIP
VIP


no, minimum is still same minimum and delay is still same but metric value will change per formula
if u want to change bandwidth, do it per interface with bandwidth command

 

Regards, ML
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3 Replies 3

Seb Rupik
VIP Alumni
VIP Alumni

Hi there,

The K values are slightly more complicated than simple multipliers. The formula is:

EIGRP composite cost metric = 256*((K1*Scaled Bw) + (K2*Scaled Bw)/(256 – Load) + (K3*Scaled Delay)*(K5/(Reliability + K4))) 

Take a look at this document:

https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_eigrp/configuration/15-sy/ire-15-sy-book/ire-wid-met.html

 

cheers,

Seb.

Martin L
VIP
VIP


no, minimum is still same minimum and delay is still same but metric value will change per formula
if u want to change bandwidth, do it per interface with bandwidth command

 

Regards, ML
**Please Rate All Helpful Responses **

Hi Martin

 

Thanks, i tested it on a lab, the K-values remain the same but the metric changed. I guess something happens in the background which i will dig deep for and find out! thanks for the help!!!!

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