This post is going to be a real deep dive! First, I want to send my sincere thanks to the maestro Peter Palúch and the guru Ivan Pepelnjak for helping me research this topic. Ivan wrote a couple of great
OSPF magic – Make interarea routes become intraarea
This is a follow up post to my last OSPF post about repairing area 0. In the comments section Ray asked me what we can do if we have a scenario where we have another area that is discontigous. In
Repairing a discontigous area 0 in OSPF
First start by looking at the diagram above. This is a scenario I ran into while doing my mock lab. It is pretty obvious that we will have issues with OSPF since area 0 is discontigous. You should be able