some cisco devices have a calendar chip so that they remember time over a reboot and other devices do not. Probably the best solution is to run NTP. If you have connection from your network to the public internet there are quite a few NTP servers available. If you do not have internet access then you can use some device in your network with reliable time to serve as the NTP master.
Configuring basic NTP is quite simple. The IOS command is ntp server . There are other options which can be used. But this should get you going.
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...