Spanning Tree Protocol is the tried and tested method for providing path redundancy while eliminating loops in bridged networks. Spanning Tree Protocol, supported on most bridges and switches, is the ...

Jeff Hardee introduced me to the idea of using longer Spanning Tree Protocol (STP) path length values for high-speed links. I thought this was an intriguing idea and so I started to do some informal ...

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 ...

We’re using IPTV at our school and have discovered a situation that we don’t understand. The video is delivered over a group of Ethernet switches. When we investigate the individual links, we find ...

Joel is an internationally recognized expert in the areas of security, networking and messaging. Follow him on X (formerly Twitter) @joelsnyder. Building enterprise networks with routers and switches ...