Don't know what would cause that . The keys should not be wiped out and rebooting should not disrupt the SSH functionality as the keys are stored in NVRAM . Done literally a 1000 boxes with SSH and never seen this issue. You could look for a bug in your version but have never seen or heard of anything like that. I would verify your SSH config is correct and if it continues get ahold of the TAC , they might want to replace the supervisor .
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...