Ars Technica

Cisco spanning tree - blocked port

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 ...
Ars Technica

cisco spanning tree not switching over

I have 2 msts setup, one goes over port 2, and one goes over port 23. When port 23 fails, the traffic switches over to the correct backup path with mst02 but, when the port comes back up it doesnt ...
Network World

Spanning Tree Protocol (STP) with either 2 or 3 Switches – Index Page

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 ...
Network World

The Power of a (Spanning) Tree with Two Switches

Those who had an opinion last week were split evenly: CCNA labs need either 2 or 3 switches, and CCNP labs need either 3 or 4. But why? We saw a few opinions floating around the blog last week, but ...