One way to start would be to check the DHCP server for the ranges it is dishing out. If you aren't sure what your DHCP server is go to a machine and type ipconfig/all. DHCP server should be listed. You may have to do this on several machines to find one that is using DHCP.
This is just a start. If you have a large network could take a long time. Maybe someone else has a better option.
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...