These would be devices belonging to your ISP/telco. All your edge switches would be sharing cdp info with the service providers switches. Two ways to stop this.
1. From Server config > Ani server admin> discovery settings > Filter Using Ip addresses go to the drop down menu and choose DO not Discover in these ranges and enter in the IP address range eg. 172.16.*.*
2. The second option would be to disable CDP on the interfaces facing your service provider or any external network device ... this would be a better option in terms of security.
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...