It looks as though even though the other switch in your stack is provisioned within the config, the stack cannot see it correctly (Hence no MAC address). This way be due to the stackwise cable not being correctly connected or an SDM or version mismatch between the switches. Can you take a look at the log on the switch to see if it tried to be added to the stack, but couldn't due to an issue, or if the stack doesn't show any indication that an additional switch tried to be added?
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...