You have not specified the routing protoco that you are running, but I am going to guess that it is EIGRP. I have experienced similar symptoms in a network running EIGRP. When we have experienced these symptoms there was some evidence that we were experiencing one way traffic (EIGRP hello was transmitted from one peer to the other but not transmitted in the other direction). This produced symptoms of neighbor down (retry exceeded) then neighbor up.
Can you tell us a bit about the topology in which you are experiencing this? And can you check for the possibility of one way traffic?
We are pleased to announce availability of Beta software for 16.6.3.
16.6.3 will be the second rebuild on the 16.6 release train targeted
towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are
looking for early feedback from customers befor...
Introduction Featured Speakers Luis Espejel is the Telecommunications
Manager of IENova, an Oil & Gas company. Currently he works with Cisco
IOS® and Cisco IOS XE platforms, and NX to some extent. He has also
worked as a Senior Engineer with the Routing P...
In this session you can learn more about Layer 3 multicast and the best
practices to identify possible threats and take security measures. It
provides an overview of basic multicast, the best security practices for
use of this technology, and recommendati...