Your config seems to have most of the configs to block a physical loop. BPDU Guard will do the job in this kind of issues.You can use sport security on a scenario in which some conects a switch whic wont send any BPDU's (I once faced a similar physical loop when we used a D-link L2 switch to extend out conf room LAN).So you can add port security as an additional step of security to limit the num of MAC limited on each port.
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...