[c-nsp] Best Practices for quickly removing routes when BGP peer drops

[Jakob Heitz (jheitz)]

advertise best-external without labels causes transient forwarding loops. In BGP those could last 10s of seconds. You could use labels or add-path.
(add-path could cause loops too. C’est la vie)

Regards,
Jakob.

> From: Gert Doering <gert at greenie.muc.de>
> 
> "advertise-best-external" was indeed what I was thinking about, thanks.
> 
> (Note that on IOS XR this only works if you use labeled unicast, as
> we found out to our dismay...)
> 
> gert