• EIGRP uses lowest metric of the following:
    • Bandwidth
      • Lowest value across path to destination.
    • Delay
    • Load
    • Reliability
  • Only Bandwidth and Delay used by default.
    • EIGRP Classic Bandwidth is 10^7 * 256/Interface Bandwidth
  • K values need to be the same between neighbors.
    • Adjacency will not form if they’re different.

‘show ip protocols’ will show the K values…..

And if they’ve been changed it can be seen in running config.

If the metric weights line is removed all K values go back to default and adjacency comes back.

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