Independent spanning trees, often realised as completely independent spanning trees (CISTs), form a foundational concept in network design and routing. They consist of multiple spanning trees ...

On a small network (<250 users) I had a user buy a 5-port Linksys switch and uplink (via 2 cables) to Ethernet ports on the wall. This caused an infinite loop that caused some problems for the site, ...

This blog post is simply an index page to the recent blog postings about the pros and cons of using a two switch topology to experiment with and learn about Spanning Tree Protocol (STP). Part 1: The ...

Dealt with quite a little clusterf*** today with TimeWarner Cable on their "business" side. We brought up an NNI with them on Friday and I had someone at a customer site trying to turn up our first ...

Computing researchers at Rochester Institute of Technology have developed a new loop-avoidance protocol that solves a key challenge faced in switched networks, including many of the data center ...