Category: PVST

01

Apr2014

What are STP Edge Ports/Portfast?

0
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

11

Jan2014

What is 802.1D Spanning Tree Protocol?

0
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