Looking at the "collapsed backbone" model the distribution and core are combined into a single layer, so technically neither term would be correct.
I'm not aware of any clear definitions of these terms, and even in Cisco docs they can be confusing - however if you read that doc and follow the diagrams in the campus backbone design section you should have a much better idea of the terminology as it relates to your own particular network.
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...