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Re: EIGRP direct neighbors flapping

Not yet but there are only 2 routers that I manage in this network and neither of them were causing it that I can tell. The only thing I can think of was maybe an L2 loop somewhere downstream that would allow the router to see the router-id coming back to itself? Is that a possibility?

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Re: EIGRP direct neighbors flapping

Barring any possibility of a router with same Router-ID somewhere in your network redistributing routes, it's likely that the 3850 is getting a feedback, which could also attributed to Layer 2. I can't definitely pin-point, but I would just suggest reviewing your network at both Layer 2 and 3 including the Spanning root for your VLANs. It helps to make a network deterministic.

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