The difference between Loopback and any other interface on a router is that loopback is a 'logical' interface. With routers you cannot have two interfaces with overlapping address space so the same logic applies when you configure multiple loopback interfaces, these need to be addressed out of unique address space. You can play with the subnet mask to conserve address space while addressing loopbacks but you cannot have overlapping subnets.
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...