Slicing and Dicing Flooding Domains (2)

9 March 2016 | Comments Off on Slicing and Dicing Flooding Domains (2)

The first post in this series is here. Finally, let’s consider the first issue, the SPF run time. First, if you’ve been keeping track of the SPF run time in several locations throughout your network (you have been, right? Right?!? This should be a regular part of your documentation!), then you’ll know when there’s a…

Slicing and Dicing Flooding Domains (1)

2 March 2016 | Comments Off on Slicing and Dicing Flooding Domains (1)

This week two different folks have asked me about when and where I would split up a flooding domain (IS-IS) or area (OSPF); I figured a question asked twice in one week is worth a blog post, so here we are… Before I start on the technical reasons, I’m going to say something that might…