BGP Backdoor Feature

Introduction   In this blog, we are going to be taking a look at the BGP backdoor feature.  We will explain what problem the feature allows us to solve and … Continue Reading →


Understanding Spanning-Tree Loopguard

Introduction   The spanning-tree loopguard feature is used to stop bridging loops caused by unidirectional links.  If you are not aware, a unidirectional link is a link that is only … Continue Reading →


Meet The Ethernets

Introduction   Most of us take modern day Ethernet for granted.  This is probably because it is what many of us have always known.  This is especially true if you … Continue Reading →


Summary Routes To Null0 & The Protocols That Love Them

Introduction     OK, so the title of this blog sounds like a really geeky version of “The Jerry Springer Show” but it’s all in good fun!  When doing route … Continue Reading →


Fun With Distance-Vector Routing & Frame-Relay

Introduction   It is important to understand how our different IGP’s work when running over frame-relay. In particular, it is important to understand how things work when dealing with frame-relay … Continue Reading →