Category: PVST


Spanning Tree (STP) is running on all switch ports by default once the daemon is enabled.  STP first LISTENS and LEARNS before FORWARDING traffic.  It's the LISTENING and LEARNING states that delays traffic from being delivered to end devices.  The lack of FORWARDING during the LISTENING and LEARNING interval can cause IP address configuration failure ... Read More
April 1, 2014Praveen Bahethi


Spanning Tree Protocol (STP) was created to allow for loop-free topologies in switch architectures.  Prior to STP,  any switch architecture that had a loop would end up with duplicate frames flooding between switches causing an outage.  Radia Perlman’s algorithm resolved the physical loop by creating a logical blocking solution stopping ... Read More
January 11, 2014Praveen Bahethi