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OSPF router ID selection: all the details

After I wrote the OSPF router ID selection trivia post I wanted to figure out all the details of the OSPF router ID selection algorithm. As I’ve expected, the common wisdoms are mostly correct, but they fail to cover the interesting border cases. The complete algorithm (as seen from the outside) is documented in the “OSPF Router ID selection algorithm” article.

Read the whole article in the CT3 wiki


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