BGP route dampening controls advertised, not learned, routes. In your example config, you would need to enable 'bgp dampening' on router R1 in order for network 10.1.2.0/24 to be suppressed.
In addition, unless you change the default behavior, a single flap will not cause a route to be suppressed. A single "flap" (by default) will assign the route a penalty of 1000. The (default) suppress limit is 2000 - meaning the route would have to "flap" at least twice within the half-life to be suppressed.
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...