FAQs

Q1:What does the eigrp log-neighbor-changes command do when you're configuring EIGRP?
A1: This command makes it easier for you to determine why an EIGRP neighbor was reset by logging error messages to wherever you have logging enabled.
Q2:Does EIGRP support secondary addresses or only primary addressing?
A2: EIGRP provides support for both primary and secondary addressing. However, it is recommended that you configure all routers on a particular subnet with a primary address that belongs to the same subnet because of EIGRP's need to source data packets from the primary address. Routers do not form EIGRP neighbors over secondary networks because of the rules of split horizon. Therefore, if all routers' primary IP addresses do not agree, problems ...

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