Since yesterday lunchtime we've been seeing multiple MAC address flaps on our switches.
We are seeing this on all switches, but only a few MAC addresses on each switch. We route between different areas so as to keep spanning tree to a minimum. It's a star design and we use etherchannel to eliminate spanning tree and loops.
We use different switch types and different IOS levels across switches so there is really nothing in common. We have not made any changes and this has all been working for years.
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...