I would agree that it is something physical. I had a very simular issue and solved it by changing from Auto/Auto on a GI interface and set the speed to 1000 on both sides (no need to set the duplex because it defaults to full for 1000Mb connections),just set the speed. I think it might be a problem with the Autonegotiate part. Also, how long is the physical cable that connects these two switches? If the cable is faulty or too long it will also cause these link-flaps.
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...