Category: Network

  • Why EIGRP is the only IGP that does unequal-cost load balancing

    (This is a REALLY old post that never got finished because for the most part the research never was complete. I finish it now because I feel that the answers are, for the most part, readily available and the topic is not complete speculation.) -ORIGINAL POST IDEA- I’d always kind of wondered about a few…

  • The Relationship Between LSA Types and Special Areas

    As interesting as it may be, the details of OSPF can be a bit daunting. A big part of that is that there are types of this and types of that all over the place. Two important types that you’ll use a lot and should know pretty well are area types and LSA types. I’ve…

  • Manipulation of Administrative Distance

    For a variety of reasons you may want to keep routes that have been learned by a routing protocol from reaching the forwarding table or for a less “believable” protocol to take precedence over a more “believable” protocol. In this post we’ll explore some of those options. We do this to the end that knowing…