This article continues to be the most popular one on this blog.  However, I published it back in 2014 while I was working on my JNCIE-SP, and that was a long time ago.  I now work at Cisco and do not have access to Junos, and my memory of Junos is getting spotty.  I am happy if the article helps you, and feel free to leave a comment, but unfortunately I will not be able to help you with specific questions on this or other Juniper topics.

Continuing on the subject of confusing Junos features, I’d like to talk about RIB groups. When I started here at Juniper, I remember being utterly baffled by this feature and its use. RIB groups are confusing both because the official documentation is confusing, and because many people, trying to be helpful, say things that are entirely wrong. I do think there would have been an easier way to design this feature, but RIB groups are what we have, so that’s what I’ll talk about. Continue reading →