There are a couple of variables. If your connection is flapping it may never come up, or may come up for a second and go right back down.
I have seen this take 15 seconds and I have seen it take up to 5 minutes. Your advertisements will be sent upstream but routing between you and the PE may take a little time. Since your routes are being announced both peers the one will take over once the other routes are withdrawn from the routing table because the connection is down.
From my experience, despite any book answer, it has averaged to around 15 seconds or less.
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...